diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index a0529271666..7e7561d58af 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -5598,6 +5598,7 @@ void lib_link_screen_restore(Main *newmain, bScreen *curscreen, Scene *curscene)
 					 * so assume that here we're doing for undo only...
 					 */
 					sima->gpd = restore_pointer_by_name(newmain, (ID *)sima->gpd, 1);
+					sima->mask_info.mask = restore_pointer_by_name(newmain, (ID *)sima->mask_info.mask, 1);
 				}
 				else if (sl->spacetype == SPACE_SEQ) {
 					SpaceSeq *sseq = (SpaceSeq *)sl;