diff --git a/mod/msearch.php b/mod/msearch.php
index b280db4f18..b51757cf7f 100644
--- a/mod/msearch.php
+++ b/mod/msearch.php
@@ -22,6 +22,8 @@
 use Friendica\App;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Model\User;
+use Friendica\Util\Proxy;
 
 function msearch_post(App $a)
 {
@@ -72,7 +74,7 @@ function msearch_post(App $a)
 		$results[] = [
 			'name'  => $search_result['name'],
 			'url'   => DI::baseUrl() . '/profile/' . $search_result['nickname'],
-			'photo' => DI::baseUrl() . '/photo/avatar/' . $search_result['uid'] . '.jpg',
+			'photo' => User::getAvatarUrlForId($search_result['uid'], Proxy::SIZE_THUMB),
 			'tags'  => str_replace([',', '  '], [' ', ' '], $search_result['pub_keywords'])
 		];
 	}
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 3a214d00be..54fae63b64 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -627,9 +627,9 @@ class Contact
 			'nick'        => $user['nickname'],
 			'pubkey'      => $user['pubkey'],
 			'prvkey'      => $user['prvkey'],
-			'photo'       => DI::baseUrl() . '/photo/profile/' . $user['uid'] . '.jpg',
-			'thumb'       => DI::baseUrl() . '/photo/avatar/'  . $user['uid'] . '.jpg',
-			'micro'       => DI::baseUrl() . '/photo/micro/'   . $user['uid'] . '.jpg',
+			'photo'       => User::getAvatarUrlForId($user['uid']),
+			'thumb'       => User::getAvatarUrlForId($user['uid'], Proxy::SIZE_THUMB),
+			'micro'       => User::getAvatarUrlForId($user['uid'], Proxy::SIZE_MICRO),
 			'blocked'     => 0,
 			'pending'     => 0,
 			'url'         => DI::baseUrl() . '/profile/' . $user['nickname'],
@@ -742,7 +742,7 @@ class Contact
 			$fields['micro'] = self::getDefaultAvatar($fields, Proxy::SIZE_MICRO);
 		}
 
-		$fields['avatar'] = DI::baseUrl() . '/photo/profile/' .$uid . '.' . $file_suffix;
+		$fields['avatar'] = User::getAvatarUrlForId($uid);
 		$fields['forum'] = $user['page-flags'] == User::PAGE_FLAGS_COMMUNITY;
 		$fields['prv'] = $user['page-flags'] == User::PAGE_FLAGS_PRVGROUP;
 		$fields['unsearchable'] = !$profile['net-publish'];
@@ -768,8 +768,11 @@ class Contact
 			DBA::update('contact', $fields, ['uid' => 0, 'nurl' => $self['nurl']]);
 
 			// Update the profile
-			$fields = ['photo' => DI::baseUrl() . '/photo/profile/' .$uid . '.' . $file_suffix,
-				'thumb' => DI::baseUrl() . '/photo/avatar/' . $uid .'.' . $file_suffix];
+			$fields = [
+				'photo' => User::getAvatarUrlForId($uid),
+				'thumb' => User::getAvatarUrlForId($uid, Proxy::SIZE_THUMB)
+			];
+
 			DBA::update('profile', $fields, ['uid' => $uid]);
 		}
 
@@ -2355,7 +2358,7 @@ class Contact
 			$probed = false;
 			$ret = $arr['contact'];
 		} else {
-			$probed = true;			
+			$probed = true;
 			$ret = Probe::uri($url, $network, $uid);
 		}
 
diff --git a/src/Model/User.php b/src/Model/User.php
index 4f63b38198..ccdca6288a 100644
--- a/src/Model/User.php
+++ b/src/Model/User.php
@@ -840,6 +840,57 @@ class User
 		return false;
 	}
 
+	/**
+	 * Get avatar link for given user id
+	 *
+	 * @param integer $uid     user id
+	 * @param string  $size    One of the ProxyUtils::SIZE_* constants
+	 * @return string avatar link
+	 */
+	public static function getAvatarUrlForId(int $uid, string $size = ''):string
+	{
+		$url = DI::baseUrl() . '/photo/';
+
+		switch ($size) {
+			case Proxy::SIZE_MICRO:
+				$url .= 'micro/';
+				$scale = 6;
+				break;
+			case Proxy::SIZE_THUMB:
+				$url .= 'avatar/';
+				$scale = 5;
+				break;
+			default:
+				$url .= 'profile/';
+				$scale = 4;
+				break;
+		}
+
+		$updated =  '';
+		$imagetype = IMAGETYPE_JPEG;
+
+		$photo = Photo::selectFirst(['type', 'created', 'edited', 'updated'], ["scale" => $scale, 'uid' => $uid, 'profile' => true]);
+		if (!empty($photo)) {
+			$updated = max($photo['created'], $photo['edited'], $photo['updated']);
+
+			switch ($photo['type']) {
+				case 'image/png':
+					$imagetype = IMAGETYPE_PNG;
+					break;
+
+				case 'image/gif':
+					$imagetype = IMAGETYPE_PNG;
+					break;
+
+				default:
+					$imagetype = IMAGETYPE_JPEG;
+					break;
+			}
+		}
+
+		return $url . $uid . image_type_to_extension($imagetype) . ($updated ? '?ts=' . strtotime($updated) : '');
+	}
+
 	/**
 	 * Catch-all user creation function
 	 *
@@ -1054,8 +1105,8 @@ class User
 		$insert_result = DBA::insert('profile', [
 			'uid' => $uid,
 			'name' => $username,
-			'photo' => DI::baseUrl() . "/photo/profile/{$uid}.jpg",
-			'thumb' => DI::baseUrl() . "/photo/avatar/{$uid}.jpg",
+			'photo' => self::getAvatarUrlForId($uid),
+			'thumb' => self::getAvatarUrlForId($uid, Proxy::SIZE_THUMB),
 			'publish' => $publish,
 			'net-publish' => $netpublish,
 		]);
@@ -1585,8 +1636,8 @@ class User
 	/**
 	 * Check if the given user id has delegations or is delegated
 	 *
-	 * @param int $uid 
-	 * @return bool 
+	 * @param int $uid
+	 * @return bool
 	 */
 	public static function hasIdentities(int $uid):bool
 	{
diff --git a/src/Module/Delegation.php b/src/Module/Delegation.php
index 45f7fc57d2..54f8688818 100644
--- a/src/Module/Delegation.php
+++ b/src/Module/Delegation.php
@@ -27,7 +27,6 @@ use Friendica\Core\Renderer;
 use Friendica\Core\Session;
 use Friendica\Database\DBA;
 use Friendica\DI;
-use Friendica\Model\Contact;
 use Friendica\Model\Notification;
 use Friendica\Model\User;
 use Friendica\Network\HTTPException\ForbiddenException;
@@ -123,12 +122,7 @@ class Delegation extends BaseModule
 
 		//getting additinal information for each identity
 		foreach ($identities as $key => $identity) {
-			$self = Contact::selectFirst(['id', 'updated'], ['uid' => $identity['uid'], 'self' => true]);
-			if (!DBA::isResult($self)) {
-				continue;
-			}
-
-			$identities[$key]['thumb'] = Contact::getAvatarUrlForId($self['id'], Proxy::SIZE_THUMB, $self['updated']);
+			$identities[$key]['thumb'] = User::getAvatarUrlForId($identity['uid'], Proxy::SIZE_THUMB);
 
 			$identities[$key]['selected'] = ($identity['nickname'] === DI::app()->getLoggedInUserNickname());
 
diff --git a/src/Module/NoScrape.php b/src/Module/NoScrape.php
index f156efb44f..b791c5cd79 100644
--- a/src/Module/NoScrape.php
+++ b/src/Module/NoScrape.php
@@ -26,7 +26,6 @@ use Friendica\Core\Protocol;
 use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\DI;
-use Friendica\Model\Contact;
 use Friendica\Model\User;
 
 /**
@@ -81,7 +80,7 @@ class NoScrape extends BaseModule
 		$keywords = explode(',', $keywords);
 
 		$json_info['fn']       = $profile['name'];
-		$json_info['photo']    = Contact::getAvatarUrlForUrl($profile['url'], $profile['uid']);
+		$json_info['photo']    = User::getAvatarUrlForId($profile['uid']);
 		$json_info['tags']     = $keywords;
 		$json_info['language'] = $profile['language'];
 
diff --git a/src/Module/Register.php b/src/Module/Register.php
index 6e36023f38..a589ebe0af 100644
--- a/src/Module/Register.php
+++ b/src/Module/Register.php
@@ -31,6 +31,8 @@ use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model;
+use Friendica\Model\User;
+use Friendica\Util\Proxy;
 use Friendica\Util\Strings;
 
 /**
@@ -372,7 +374,7 @@ class Register extends BaseModule
 					'source_mail'  => $user['email'],
 					'source_nick'  => $user['nickname'],
 					'source_link'  => $base_url . '/admin/users/',
-					'source_photo' => $base_url . '/photo/avatar/' . $user['uid'] . '.jpg',
+					'source_photo' => User::getAvatarUrlForId($user['uid'], Proxy::SIZE_THUMB),
 					'show_in_notification_page' => false
 				]);
 			}
diff --git a/src/Module/Xrd.php b/src/Module/Xrd.php
index aa7e04ebcd..48623bf70d 100644
--- a/src/Module/Xrd.php
+++ b/src/Module/Xrd.php
@@ -26,7 +26,6 @@ use Friendica\Core\Hook;
 use Friendica\Core\Renderer;
 use Friendica\Core\System;
 use Friendica\DI;
-use Friendica\Model\Contact;
 use Friendica\Model\Photo;
 use Friendica\Model\User;
 use Friendica\Protocol\ActivityNamespace;
@@ -197,7 +196,7 @@ class Xrd extends BaseModule
 				[
 					'rel'  => 'http://webfinger.net/rel/avatar',
 					'type' => $avatar['type'],
-					'href' => Contact::getAvatarUrlForUrl($owner['url'], $owner['uid']),
+					'href' => User::getAvatarUrlForId($owner['uid']),
 				],
 				[
 					'rel'  => 'http://joindiaspora.com/seed_location',
@@ -253,7 +252,7 @@ class Xrd extends BaseModule
 			'$hcard_url'   => $baseURL . '/hcard/' . $owner['nickname'],
 			'$atom'        => $owner['poll'],
 			'$poco_url'    => $owner['poco'],
-			'$photo'       => Contact::getAvatarUrlForUrl($owner['url'], $owner['uid']),
+			'$photo'       => User::getAvatarUrlForId($owner['uid']),
 			'$type'        => $avatar['type'],
 			'$salmon'      => $baseURL . '/salmon/' . $owner['nickname'],
 			'$salmen'      => $baseURL . '/salmon/' . $owner['nickname'] . '/mention',
diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 8aa15a13c3..bb805b2d05 100644
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -101,7 +101,7 @@ class Probe
 			if (isset($data[$field])) {
 				if (in_array($field, $numeric_fields)) {
 					$newdata[$field] = (int)$data[$field];
-				} else {	
+				} else {
 					$newdata[$field] = $data[$field];
 				}
 			} elseif (!in_array($field, $numeric_fields)) {
@@ -2229,11 +2229,11 @@ class Probe
 			$data = [
 				'name' => $profile['name'], 'nick' => $profile['nick'], 'guid' => $approfile['diaspora:guid'] ?? '',
 				'url' => $profile['url'], 'addr' => $profile['addr'], 'alias' => $profile['alias'],
-				'photo' => Contact::getAvatarUrlForId($profile['id'], '', $profile['updated']),
+				'photo' => User::getAvatarUrlForId($uid),
 				'header' => $profile['header'] ? Contact::getHeaderUrlForId($profile['id'], $profile['updated']) : '',
 				'account-type' => $profile['contact-type'], 'community' => ($profile['contact-type'] == User::ACCOUNT_TYPE_COMMUNITY),
 				'keywords' => $profile['keywords'], 'location' => $profile['location'], 'about' => $profile['about'],
-				'xmpp' => $profile['xmpp'], 'matrix' => $profile['matrix'], 
+				'xmpp' => $profile['xmpp'], 'matrix' => $profile['matrix'],
 				'hide' => !$profile['net-publish'], 'batch' => '', 'notify' => $profile['notify'],
 				'poll' => $profile['poll'], 'request' => $profile['request'], 'confirm' => $profile['confirm'],
 				'subscribe' => $approfile['generator']['url'] . '/follow?url={uri}', 'poco' => $profile['poco'],
diff --git a/src/Protocol/ActivityPub/Transmitter.php b/src/Protocol/ActivityPub/Transmitter.php
index 14d4a8a5a1..e7bb20893b 100644
--- a/src/Protocol/ActivityPub/Transmitter.php
+++ b/src/Protocol/ActivityPub/Transmitter.php
@@ -370,7 +370,7 @@ class Transmitter
 			'owner' => $owner['url'],
 			'publicKeyPem' => $owner['pubkey']];
 		$data['endpoints'] = ['sharedInbox' => DI::baseUrl() . '/inbox'];
-		$data['icon'] = ['type' => 'Image', 'url' => Contact::getAvatarUrlForId($owner['id'], '', $owner['updated'])];
+		$data['icon'] = ['type' => 'Image', 'url' => User::getAvatarUrlForId($uid)];
 
 		$resourceid = Photo::ridFromURI($owner['photo']);
 		if (!empty($resourceid)) {
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 6797608e61..4977b89aff 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -449,7 +449,7 @@ class DFRN
 
 		$attributes = ["rel" => "photo", "type" => "image/jpeg",
 					"media:width" => Proxy::PIXEL_SMALL, "media:height" => Proxy::PIXEL_SMALL,
-					"href" => Contact::getAvatarUrlForId($owner['id'], Proxy::SIZE_SMALL, $owner['updated'])];
+					"href" => User::getAvatarUrlForId($owner['uid'], Proxy::SIZE_SMALL)];
 
 		if (!$public || !$hide) {
 			$attributes["dfrn:updated"] = $picdate;
diff --git a/src/Protocol/Feed.php b/src/Protocol/Feed.php
index 07fa04518a..06e70dba9b 100644
--- a/src/Protocol/Feed.php
+++ b/src/Protocol/Feed.php
@@ -965,7 +965,7 @@ class Feed
 		XML::addElement($doc, $root, "id", DI::baseUrl() . "/profile/" . $owner["nick"]);
 		XML::addElement($doc, $root, "title", $title);
 		XML::addElement($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], DI::config()->get('config', 'sitename')));
-		XML::addElement($doc, $root, "logo", Contact::getAvatarUrlForId($owner['id'], Proxy::SIZE_SMALL, $owner['updated']));
+		XML::addElement($doc, $root, "logo", User::getAvatarUrlForId($owner['uid'], Proxy::SIZE_SMALL));
 		XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
 
 		$author = self::addAuthor($doc, $owner);
diff --git a/src/Protocol/OStatus.php b/src/Protocol/OStatus.php
index 4f16f40f11..82dc17679e 100644
--- a/src/Protocol/OStatus.php
+++ b/src/Protocol/OStatus.php
@@ -1275,7 +1275,7 @@ class OStatus
 		XML::addElement($doc, $root, "id", DI::baseUrl() . "/profile/" . $owner["nick"]);
 		XML::addElement($doc, $root, "title", $title);
 		XML::addElement($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], DI::config()->get('config', 'sitename')));
-		XML::addElement($doc, $root, "logo", Contact::getAvatarUrlForId($owner['id'], ProxyUtils::SIZE_SMALL, $owner['updated']));
+		XML::addElement($doc, $root, "logo", User::getAvatarUrlForId($owner['uid'], ProxyUtils::SIZE_SMALL));
 		XML::addElement($doc, $root, "updated", DateTimeFormat::utcNow(DateTimeFormat::ATOM));
 
 		$author = self::addAuthor($doc, $owner, true);
@@ -1432,7 +1432,7 @@ class OStatus
 				"type" => "image/jpeg", // To-Do?
 				"media:width" => ProxyUtils::PIXEL_SMALL,
 				"media:height" => ProxyUtils::PIXEL_SMALL,
-				"href" => Contact::getAvatarUrlForId($owner['id'], ProxyUtils::SIZE_SMALL, $owner['updated'])];
+				"href" => User::getAvatarUrlForId($owner['uid'], ProxyUtils::SIZE_SMALL)];
 		XML::addElement($doc, $author, "link", "", $attributes);
 
 		if (isset($owner["thumb"])) {
@@ -1441,7 +1441,7 @@ class OStatus
 					"type" => "image/jpeg", // To-Do?
 					"media:width" => ProxyUtils::PIXEL_THUMB,
 					"media:height" => ProxyUtils::PIXEL_THUMB,
-					"href" => Contact::getAvatarUrlForId($owner['id'], ProxyUtils::SIZE_THUMB, $owner['updated'])];
+					"href" => User::getAvatarUrlForId($owner['uid'], ProxyUtils::SIZE_THUMB)];
 			XML::addElement($doc, $author, "link", "", $attributes);
 		}