diff --git a/route.go b/route.go
index 79482be..ed179f9 100644
--- a/route.go
+++ b/route.go
@@ -59,9 +59,9 @@ func (r *Route) HandleInput(sourceId string, payload any) error {
 			return nil
 		}
 	}
-	return r.HandleOutput(payload)
+	return r.HandleOutput(sourceId, payload)
 }
 
-func (r *Route) HandleOutput(payload any) error {
-	return r.router.HandleOutput(r.Output, payload)
+func (r *Route) HandleOutput(sourceId string, payload any) error {
+	return r.router.HandleOutput(sourceId, r.Output, payload)
 }
diff --git a/router.go b/router.go
index 4acf029..24106c6 100644
--- a/router.go
+++ b/router.go
@@ -157,9 +157,10 @@ func (r *Router) HandleInput(sourceId string, payload any) []RoutingError {
 	return routingErrors
 }
 
-func (r *Router) HandleOutput(destinationId string, payload any) error {
+func (r *Router) HandleOutput(sourceId string, destinationId string, payload any) error {
 	for _, moduleInstance := range r.ModuleInstances {
 		if moduleInstance.Id() == destinationId {
+			slog.Debug("routing", "source", sourceId, "destination", destinationId, "payload", payload)
 			return moduleInstance.Output(payload)
 		}
 	}