diff --git a/src/Utility/InputValidator.php b/src/Utility/InputValidator.php
index 047e1b1b2..4ca0324f6 100644
--- a/src/Utility/InputValidator.php
+++ b/src/Utility/InputValidator.php
@@ -130,6 +130,6 @@ public static function is_valid_rfc2616_token($input) {
 			return false;
 		}
 
-		return (preg_match('@^[0-9A-Za-z!#$%&\'*+.^_`|~-]+$@', $input) === 1);
+		return preg_match('@^[0-9A-Za-z!#$%&\'*+.^_`|~-]+$@', $input) === 1;
 	}
 }