diff --git a/include/api.php b/include/api.php
index 9fe3cb4bd7..293a8750dd 100644
--- a/include/api.php
+++ b/include/api.php
@@ -5812,7 +5812,7 @@ function api_friendica_profile_show($type)
 		$nurls = q(
 			"SELECT `id`, `nurl` FROM `contact` WHERE `uid`= %d AND `profile-id` = %d",
 			intval(api_user()),
-			intval($rr['profile_id'])
+			intval($rr['id'])
 		);
 
 		foreach ($nurls as $nurl) {
diff --git a/mod/network.php b/mod/network.php
index 6cee4d2b80..e029f1905c 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -449,7 +449,7 @@ function networkFlatView(App $a, $update = 0)
 		while ($term = DBA::fetch($result)) {
 			$posts[] = $term['oid'];
 		}
-		DBA::close($terms);
+		DBA::close($result);
 
 		$condition = ['uid' => local_user(), 'id' => $posts];
 	} else {
diff --git a/mod/smilies.php b/mod/smilies.php
index 1c0a1bbd76..ecea3400e2 100644
--- a/mod/smilies.php
+++ b/mod/smilies.php
@@ -13,7 +13,7 @@ use Friendica\Core\System;
 function smilies_content(App $a)
 {
 	$smilies = Smilies::getList();
-	if ($a->argv[1] === "json") {
+	if (!empty($a->argv[1]) && ($a->argv[1] === "json")) {
 		$results = [];
 		for ($i = 0; $i < count($smilies['texts']); $i++) {
 			$results[] = ['text' => $smilies['texts'][$i], 'icon' => $smilies['icons'][$i]];
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index b18159d40c..ddca508561 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -364,6 +364,11 @@ class Contact extends BaseObject
 	 */
 	public static function markForArchival(array $contact)
 	{
+
+		if (!isset($contact['url'])) {
+			logger('Empty contact. ' . System::callstack(10), LOGGER_DEBUG);
+		}
+
 		// Contact already archived or "self" contact? => nothing to do
 		if ($contact['archive'] || $contact['self']) {
 			return;
diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 366853c999..76c48c3d2d 100644
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -988,7 +988,9 @@ class Probe
 
 		if (!empty($webfinger["aliases"]) && is_array($webfinger["aliases"])) {
 			foreach ($webfinger["aliases"] as $alias) {
-				if (normalise_link($alias) != normalise_link($data["url"]) && ! strstr($alias, "@")) {
+				if (empty($data["url"]) && !strstr($alias, "@")) {
+					$data["url"] = $alias;
+				} elseif (!strstr($alias, "@") && normalise_link($alias) != normalise_link($data["url"])) {
 					$data["alias"] = $alias;
 				} elseif (substr($alias, 0, 5) == 'acct:') {
 					$data["addr"] = substr($alias, 5);
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 55d635d2e0..2802e20301 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -1580,6 +1580,16 @@ class DFRN
 			$author["avatar"] = current($avatarlist);
 		}
 
+		if (empty($author['avatar']) && !empty($author['link'])) {
+			$cid = Contact::getIdForURL($author['link'], 0);
+			if (!empty($cid)) {
+				$contact = DBA::selectFirst('contact', ['avatar'], ['id' => $cid]);
+				if (DBA::isResult($contact)) {
+					$author['avatar'] = $contact['avatar'];
+				}
+			}
+		}
+
 		if (DBA::isResult($contact_old) && !$onlyfetch) {
 			logger("Check if contact details for contact " . $contact_old["id"] . " (" . $contact_old["nick"] . ") have to be updated.", LOGGER_DEBUG);