diff --git a/include/SDL_syswm.h b/include/SDL_syswm.h
index fa1145534..2485efbc7 100644
--- a/include/SDL_syswm.h
+++ b/include/SDL_syswm.h
@@ -163,6 +163,7 @@ struct SDL_SysWMmsg
 #if defined(SDL_VIDEO_DRIVER_UIKIT)
         struct
         {
+            int dummy;
             /* No UIKit window events yet */
         } uikit;
 #endif