diff --git a/lib/private/tempmanager.php b/lib/private/tempmanager.php
index 60b9c9dc0d..213d57b2e2 100644
--- a/lib/private/tempmanager.php
+++ b/lib/private/tempmanager.php
@@ -42,7 +42,7 @@ class TempManager implements ITempManager {
 	}
 
 	protected function generatePath($postFix) {
-		return $this->tmpBaseDir . '/oc_tmp_' . md5(time() . rand()) . $postFix;
+		return $this->tmpBaseDir . '/oc_tmp_' . md5(time() . rand()) . '.' . $postFix;
 	}
 
 	/**