diff --git a/dlls/user32/win.c b/dlls/user32/win.c
index eb1aedaf1f9..463602ac086 100644
--- a/dlls/user32/win.c
+++ b/dlls/user32/win.c
@@ -2678,7 +2678,7 @@ LONG WINAPI DECLSPEC_HOTPATCH SetWindowLongA( HWND hwnd, INT offset, LONG newval
  * and WM_STYLECHANGED afterwards.
  * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
  */
-LONG WINAPI SetWindowLongW(
+LONG WINAPI DECLSPEC_HOTPATCH SetWindowLongW(
     HWND hwnd,  /* [in] window to alter */
     INT offset, /* [in] offset, in bytes, of location to alter */
     LONG newval /* [in] new value of location */