From 8990b83071f7764afb3b7f0250928c712e4e767e Mon Sep 17 00:00:00 2001
From: spherallic <spherallic@gmail.com>
Date: Wed, 2 Aug 2023 17:05:38 +0200
Subject: [PATCH] Handle empty/"-" music lump name on music change

---
 src/p_spec.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/p_spec.c b/src/p_spec.c
index 670951520..169f129b9 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -2561,11 +2561,13 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
 				// Change the music and apply position/fade operations
 				else
 				{
-					if (!line->stringargs[0])
-						break;
-
-					strncpy(mapmusname, line->stringargs[0], 7);
-					mapmusname[6] = 0;
+					if (!line->stringargs[0] || !strcmp(line->stringargs[0], "-"))
+						strcpy(mapmusname, "");
+					else
+					{
+						strncpy(mapmusname, line->stringargs[0], 7);
+						mapmusname[6] = 0;
+					}
 
 					mapmusflags = tracknum & MUSIC_TRACKMASK;
 					if (!(line->args[0] & TMM_NORELOAD))