diff --git a/core/Loader.php b/core/Loader.php
index e88c1db1af2d8ca59f8411fe28cb682d8f8203f7..606539ed574069242ffe9484178f662dd26d0690 100644
--- a/core/Loader.php
+++ b/core/Loader.php
@@ -72,7 +72,8 @@ class Piwik_Loader
 			$lastSlash = strrpos($classPath, '/');
 			$classPath = ($lastSlash === false) ? '' : substr($classPath, 0, $lastSlash);
 		}
-		throw new Exception("$class could not be autoloaded.");
+
+		return false;
 	}
 }