diff --git a/lib/appconfig.php b/lib/appconfig.php
index 3c37a9d77d5..81e5717f647 100644
--- a/lib/appconfig.php
+++ b/lib/appconfig.php
@@ -51,7 +51,7 @@ class OC_APPCONFIG{
 		$result = $query->execute();
 
 		$apps = array();
-		while( $result->fetchRow()){
+		while( $row = $result->fetchRow()){
 			$apps[] = $row["appid"];
 		}
 
@@ -72,7 +72,7 @@ class OC_APPCONFIG{
 		$result = $query->execute( $app );
 
 		$keys = array();
-		while( $result->fetchRow()){
+		while( $row = $result->fetchRow()){
 			$keys[] = $row["key"];
 		}
 
diff --git a/lib/preferences.php b/lib/preferences.php
index 0bc4092de4b..7b510e5b7de 100644
--- a/lib/preferences.php
+++ b/lib/preferences.php
@@ -51,7 +51,7 @@ class OC_PREFERENCES{
 		$result = $query->execute();
 
 		$users = array();
-		while( $result->fetchRow()){
+		while( $row = $result->fetchRow()){
 			$users[] = $row["userid"];
 		}
 
@@ -72,7 +72,7 @@ class OC_PREFERENCES{
 		$result = $query->execute( $user );
 
 		$apps = array();
-		while( $result->fetchRow()){
+		while( $row = $result->fetchRow()){
 			$apps[] = $row["appid"];
 		}
 
@@ -94,7 +94,7 @@ class OC_PREFERENCES{
 		$result = $query->execute( $user, $app );
 
 		$keys = array();
-		while( $result->fetchRow()){
+		while( $row = $result->fetchRow()){
 			$keys[] = $row["key"];
 		}