diff --git a/src/Model/APContact.php b/src/Model/APContact.php
index bb6f12e10c..38ec423e89 100644
--- a/src/Model/APContact.php
+++ b/src/Model/APContact.php
@@ -383,11 +383,11 @@ class APContact
 		if (strlen($apcontact['photo']) > 255) {
 			$parts = parse_url($apcontact['photo']);
 			unset($parts['fragment']);
-			$apcontact['photo'] = Uri::fromParts($parts);
+			$apcontact['photo'] = (string)Uri::fromParts($parts);
 
 			if (strlen($apcontact['photo']) > 255) {
 				unset($parts['query']);
-				$apcontact['photo'] = Uri::fromParts($parts);
+				$apcontact['photo'] = (string)Uri::fromParts($parts);
 			}
 
 			if (strlen($apcontact['photo']) > 255) {
diff --git a/src/Model/Item.php b/src/Model/Item.php
index e0ca507174..73a6e65c57 100644
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -2948,7 +2948,7 @@ class Item
 		if (!empty($urlparts)) {
 			unset($urlparts['query']);
 			unset($urlparts['fragment']);
-			$url = Uri::fromParts($urlparts);
+			$url = (string)Uri::fromParts($urlparts);
 		} else {
 			return false;
 		}
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 7593711e56..89ffca153a 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -998,7 +998,7 @@ class DFRN
 			$path_parts = explode('/', $parts['path']);
 			array_pop($path_parts);
 			$parts['path'] =  implode('/', $path_parts);
-			$contact['batch'] = Uri::fromParts($parts);
+			$contact['batch'] = (string)Uri::fromParts($parts);
 		}
 
 		$dest_url = ($public_batch ? $contact['batch'] : $contact['notify']);
diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index cc02936695..c5ad51215b 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -1419,7 +1419,7 @@ class Diaspora
 
 			$parts = parse_url($person['url']);
 			unset($parts['path']);
-			$host_url = Uri::fromParts($parts);
+			$host_url = (string)Uri::fromParts($parts);
 
 			return $host_url . '/objects/' . $guid;
 		}
diff --git a/src/Util/Network.php b/src/Util/Network.php
index 23def7e57f..63cc67f4c9 100644
--- a/src/Util/Network.php
+++ b/src/Util/Network.php
@@ -497,7 +497,7 @@ class Network
 		$parts = parse_url($uri);
 		if (!empty($parts['scheme']) && !empty($parts['host'])) {
 			$parts['host'] = idn_to_ascii($parts['host']);
-			$uri = Uri::fromParts($parts);
+			$uri = (string)Uri::fromParts($parts);
 		} else {
 			$parts = explode('@', $uri);
 			if (count($parts) == 2) {