diff --git a/dlls/winemac.drv/window.c b/dlls/winemac.drv/window.c
index 5328489e7df..3c0041bc2da 100644
--- a/dlls/winemac.drv/window.c
+++ b/dlls/winemac.drv/window.c
@@ -1239,7 +1239,7 @@ LRESULT CDECL macdrv_WindowMessage(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
         activate_on_focus_time = GetTickCount();
         if (!activate_on_focus_time) activate_on_focus_time = 1;
         TRACE("WM_MACDRV_ACTIVATE_ON_FOLLOWING_FOCUS time %u\n", activate_on_focus_time);
-        break;
+        return 0;
     }
 
     FIXME("unrecognized window msg %x hwnd %p wp %lx lp %lx\n", msg, hwnd, wp, lp);