diff --git a/tests/test-char.c b/tests/test-char.c
index d35cc839bc..9196e566e9 100644
--- a/tests/test-char.c
+++ b/tests/test-char.c
@@ -70,7 +70,7 @@ static void fe_event(void *opaque, QEMUChrEvent event)
             h->openclose_mismatch = true;
         }
         h->is_open = new_open_state;
-        /* no break */
+        /* fallthrough */
     default:
         quit = true;
         break;