diff --git a/src/p_setup.c b/src/p_setup.c
index 6c6b9153..4ca6c97c 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -185,7 +185,7 @@ static void P_ClearSingleMapHeaderInfo(INT16 i)
 	mapheaderinfo[num]->musname[6] = 0;
 	DEH_WriteUndoline("MUSICTRACK", va("%d", mapheaderinfo[num]->mustrack), UNDO_NONE);
 	mapheaderinfo[num]->mustrack = 0;
-	DEH_WriteUndoline("MUSICPOS", va("%d", mapheaderinfo[num]->mustrack), UNDO_NONE);
+	DEH_WriteUndoline("MUSICPOS", va("%d", mapheaderinfo[num]->muspos), UNDO_NONE);
 	mapheaderinfo[num]->muspos = 0;
 	DEH_WriteUndoline("FORCECHARACTER", va("%d", mapheaderinfo[num]->forcecharacter), UNDO_NONE);
 	mapheaderinfo[num]->forcecharacter[0] = '\0';