diff --git a/src/SAREhub/Microt/App/Controller/ControllerActionRoute.php b/src/SAREhub/Microt/App/Controller/ControllerActionRoute.php
index b296f9b..4d4bebb 100644
--- a/src/SAREhub/Microt/App/Controller/ControllerActionRoute.php
+++ b/src/SAREhub/Microt/App/Controller/ControllerActionRoute.php
@@ -96,7 +96,7 @@ public function pattern(string $pattern): ControllerActionRoute
         return $this;
     }
 
-    public function addMiddleware(callable $middleware): ControllerActionRoute
+    public function addMiddleware($middleware): ControllerActionRoute
     {
         $this->middlewares[] = $middleware;
         return $this;
@@ -164,4 +164,4 @@ private function jsonSerializeMiddlewares(): array
         }
         return $json;
     }
-}
\ No newline at end of file
+}