diff --git a/ui/input-barrier.c b/ui/input-barrier.c
index fe35049b83..527c75e130 100644
--- a/ui/input-barrier.c
+++ b/ui/input-barrier.c
@@ -455,7 +455,7 @@ static gboolean writecmd(InputBarrier *ib, struct barrierMsg *msg)
         break;
     default:
         write_cmd(p, barrierCmdEUnknown, avail);
-        break;;
+        break;
     }
 
     len = MAX_HELLO_LENGTH - avail - sizeof(int);