diff --git a/BasiliskII/src/SDL/video_sdl2.cpp b/BasiliskII/src/SDL/video_sdl2.cpp
index 8faf381a..74210ac4 100644
--- a/BasiliskII/src/SDL/video_sdl2.cpp
+++ b/BasiliskII/src/SDL/video_sdl2.cpp
@@ -1669,7 +1669,9 @@ static void do_toggle_fullscreen(void)
 			int m = get_mag_rate();
 			SDL_SetWindowSize(sdl_window, m * VIDEO_MODE_X, m * VIDEO_MODE_Y);
 			SDL_SetWindowGrab(sdl_window, SDL_FALSE);
-			SDL_SetWindowPosition(sdl_window, 0, 26);
+#ifndef __MACOSX__
+			SDL_SetWindowPosition(sdl_window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+#endif
 		} else {
 			display_type = DISPLAY_SCREEN;
 			SDL_SetWindowFullscreen(sdl_window, SDL_WINDOW_FULLSCREEN_DESKTOP);