diff --git a/win32ss/user/ntuser/defwnd.c b/win32ss/user/ntuser/defwnd.c
index 4bfe24e3d55..660fd4c1494 100644
--- a/win32ss/user/ntuser/defwnd.c
+++ b/win32ss/user/ntuser/defwnd.c
@@ -486,8 +486,7 @@ DefWndGetIcon(PWND pWnd, WPARAM wParam, LPARAM lParam)
         case ICON_SMALL2:
             hIconRet = UserGetProp(pWnd, gpsi->atomIconSmProp, TRUE);
             break;
-        default:
-            break;
+        DEFAULT_UNREACHABLE;
     }
     return (LRESULT)hIconRet;
 }