diff --git a/api/src/loader/exception.php b/api/src/loader/exception.php
index 1f353503f3..44ae0e98fb 100755
--- a/api/src/loader/exception.php
+++ b/api/src/loader/exception.php
@@ -177,7 +177,7 @@ function egw_error_handler ($errno, $errstr, $errfile, $errline)
 		case E_USER_WARNING:
 			// skip message for warnings supressed via @-error-control-operator (eg. @is_dir($path))
 			// can be commented out to get suppressed warnings too!
-			if (error_reporting() &&
+			if ((error_reporting() & $errno) &&
 				// silence "Declaration of $class::$method should be compatible with $parent::$method" warning
 				!(substr($errstr, 0, 15) === 'Declaration of ' &&
 					strpos($errstr, ' should be compatible with ') !== false))