diff --git a/sources/worker.c b/sources/worker.c
index 03506246..f7b6c123 100644
--- a/sources/worker.c
+++ b/sources/worker.c
@@ -42,7 +42,7 @@ static inline void log_max_routing(od_worker_t *worker, od_instance_t *instance,
 	}
 }
 
-static inline int process_new_client_msg(od_worker_t *worker,
+static inline void process_new_client_msg(od_worker_t *worker,
 					 od_router_t *router,
 					 od_instance_t *instance,
 					 machine_msg_t *msg)