diff --git a/server/core/service.c b/server/core/service.c
index 129a20f29..825ba8493 100644
--- a/server/core/service.c
+++ b/server/core/service.c
@@ -300,7 +300,8 @@ GWPROTOCOL	*funcs;
 					LOGFILE_ERROR,
 					"Service %s: failed to load any user "
 					"information. Authentication will "
-					"probably fail as a result.")));
+					"probably fail as a result.",
+					service->name)));
 			}
 
 			/* At service start last update is set to USERS_REFRESH_TIME seconds earlier.