diff --git a/src/ui/window.c b/src/ui/window.c
index daf9bef0..557cffb0 100644
--- a/src/ui/window.c
+++ b/src/ui/window.c
@@ -314,8 +314,10 @@ win_handle_error_message(ProfWin *window, const char * const from,
         case WIN_DUCK:
         case WIN_CONSOLE:
             handled =  FALSE;
+            break;
         case WIN_MUC:
             handled = _muc_handle_error_message(window, from, err_msg);
+            break;
         default:
             assert(FALSE);
             break;