diff --git a/db_structure.xml b/db_structure.xml
index 8bbc6e5cc6..e0b9dc11e9 100644
--- a/db_structure.xml
+++ b/db_structure.xml
@@ -161,7 +161,6 @@
 
 			<index>
 				<name>parent_name_hash</name>
-				<unique>true</unique>
 				<field>
 					<name>parent</name>
 					<sorting>ascending</sorting>
diff --git a/lib/util.php b/lib/util.php
index 264d61319d..be9d1f4fb5 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -81,7 +81,7 @@ class OC_Util {
 	 */
 	public static function getVersion() {
 		// hint: We only can count up. So the internal version number of ownCloud 4.5 will be 4.9.0. This is not visible to the user
-		return array(4,86,12);
+		return array(4,86,13);
 	}
 
 	/**