diff --git a/core.c b/core.c
index d3f8184..a46a733 100644
--- a/core.c
+++ b/core.c
@@ -284,7 +284,7 @@
 	mctp->route_policy = ROUTE_ENDPOINT;
 
 	if (binding->start)
-		binding->start(binding);
+		return binding->start(binding);
 
 	return 0;
 }