diff --git a/core/mediator.go b/core/mediator.go
index a6d67b0..ee25264 100644
--- a/core/mediator.go
+++ b/core/mediator.go
@@ -129,7 +129,7 @@
 	wg.Add(1)
 	go func() {
 		if err := server.Start(); err != nil { //Blocking
-			logger.Error(err)
+			logger.Error("Start %s", err)
 		}
 		wg.Done()
 		return