Index: Classes/Persistence/Storage/Typo3DbBackend.php
===================================================================
--- Classes/Persistence/Storage/Typo3DbBackend.php	(revision 10487)
+++ Classes/Persistence/Storage/Typo3DbBackend.php	(working copy)
@@ -251,6 +251,8 @@
 	 * @return integer The number of matching tuples
 	 */
 	public function getObjectCountByQuery(Tx_Extbase_Persistence_QueryInterface $query) {
+		$count = 0;
+		
 		$constraint = $query->getConstraint();
 		if($constraint instanceof Tx_Extbase_Persistence_QOM_StatementInterface) {
 			throw new Tx_Extbase_Persistence_Storage_Exception_BadConstraint('Could not execute count on queries with a constraint of type Tx_Extbase_Persistence_QOM_StatementInterface', 1256661045);
@@ -274,7 +276,7 @@
 			$count = current(current($rows));
 		}
 		$this->databaseHandle->sql_free_result($result);
-		return $count;
+		return (int)$count;
 	}
 
 	/**