diff --git a/src/video/x11/SDL_x11wm.c b/src/video/x11/SDL_x11wm.c
index 4b5c01f3c..cc7bdea57 100644
--- a/src/video/x11/SDL_x11wm.c
+++ b/src/video/x11/SDL_x11wm.c
@@ -203,6 +203,8 @@ void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
 				  ZPixmap, 0, sicon->pixels,
 				  sicon->w, sicon->h,
 				  32, 0);
+	icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN)
+		                 ? MSBFirst : LSBFirst;
 	icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
 				    DefaultDepth(SDL_Display, SDL_Screen));
 	gc = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);