diff --git a/src/Extension/UrlExtension.php b/src/Extension/UrlExtension.php
index 82082b6..9cbb1c9 100644
--- a/src/Extension/UrlExtension.php
+++ b/src/Extension/UrlExtension.php
@@ -268,7 +268,7 @@ PATTERN;
                     if ($default ?? false) {
                         $value = $default;
                     }
-                    elseif ($this->enforceExistingArguments) {dump($routeParam);
+                    elseif ( strpos($route, "[{$matches[0][0]}]") !== false && $this->enforceExistingArguments) {
                         throw new \RuntimeException(sprintf("Error while preparing route %s : could not match variable '%s' into given arguments ( %s ) from %s::%s", $route, $variable, json_encode($arguments), $routeParam['class'], $routeParam['classMethod']));
                     }
                 }