diff --git a/src/video/wayland/SDL_waylandwindow.c b/src/video/wayland/SDL_waylandwindow.c
index 581f4b002..6d33caf38 100644
--- a/src/video/wayland/SDL_waylandwindow.c
+++ b/src/video/wayland/SDL_waylandwindow.c
@@ -290,8 +290,10 @@ handle_configure_xdg_toplevel(void *data,
         /* For fullscreen, foolishly do what the compositor says. If it's wrong,
          * don't blame us, we were explicitly instructed to do this.
          */
-        window->w = width;
-        window->h = height;
+        if (width != 0 && height != 0) {
+            window->w = width;
+            window->h = height;
+        }
 
         /* This part is good though. */
         if (window->flags & SDL_WINDOW_ALLOW_HIGHDPI) {