diff --git a/lib/base.php b/lib/base.php
index fb83f6ea0a451417eea85c7f03d8c94b2d8faf24..bfefa1425ab7beb2dac452793e6a39e5f9d8b4ff 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -91,6 +91,8 @@ class OC{
 		}
 		elseif(strpos($className,'Test_')===0){
 			$path =  'tests/lib/'.strtolower(str_replace('_','/',substr($className,5)) . '.php');
+		}else{
+			return false;
 		}
 		
 		if($fullPath = stream_resolve_include_path($path)){