diff --git "a/C:\\Users\\Marc\\AppData\\Local\\Temp\\TortoiseGit\\wwi2153.tmp\\wwindow-c849274-left.c" "b/C:\\mingw\\LIBS\\A5GIT\\allegro\\src\\win\\wwindow.c"
index a18acea..48426b9 100644
--- "a/C:\\Users\\Marc\\AppData\\Local\\Temp\\TortoiseGit\\wwi2153.tmp\\wwindow-c849274-left.c"
+++ "b/C:\\mingw\\LIBS\\A5GIT\\allegro\\src\\win\\wwindow.c"
@@ -206,9 +206,11 @@ HWND _al_win_create_faux_fullscreen_window(LPCTSTR devname, ALLEGRO_DISPLAY *dis
    DEVMODE mode;
    LONG temp;
 
-   (void)display;
+   ALLEGRO_DISPLAY_WIN *win_display = (ALLEGRO_DISPLAY_WIN *)display;
    (void)flags;
 
+   _al_vector_init(&win_display->msg_callbacks, sizeof(ALLEGRO_DISPLAY_WIN_CALLBACK));
+
    style = WS_VISIBLE;
    ex_style = WS_EX_TOPMOST;