diff --git a/mux.go b/mux.go
index e5dfa929..2cff9bf3 100644
--- a/mux.go
+++ b/mux.go
@@ -86,10 +86,6 @@ func Register[T, B any](s *Server, route Route[T, B], controller http.Handler, o
 	route.Middlewares = append(s.middlewares, route.Middlewares...)
 	s.Mux.Handle(fullPath, withMiddlewares(route.Handler, route.Middlewares...))
 
-	if route.Hidden || route.Method == "" {
-		return &route
-	}
-
 	err := route.RegisterOpenAPIOperation(s.OpenAPI)
 	if err != nil {
 		slog.Warn("error documenting openapi operation", "error", err)
diff --git a/openapi.go b/openapi.go
index a30ce75a..8f3a0839 100644
--- a/openapi.go
+++ b/openapi.go
@@ -208,6 +208,10 @@ func validateSwaggerUrl(swaggerUrl string) bool {
 // RegisterOpenAPIOperation registers the route to the OpenAPI description.
 // Modifies the route's Operation.
 func (route *Route[ResponseBody, RequestBody]) RegisterOpenAPIOperation(openapi *OpenAPI) error {
+	if route.Hidden || route.Method == "" {
+		return nil
+	}
+
 	operation, err := RegisterOpenAPIOperation(openapi, *route)
 	route.Operation = operation
 	return err