diff --git a/source/core/music/s_advsound.cpp b/source/core/music/s_advsound.cpp
index 7e4ffb4b6..679ad2716 100644
--- a/source/core/music/s_advsound.cpp
+++ b/source/core/music/s_advsound.cpp
@@ -149,6 +149,7 @@ static FSoundID S_AddSound(const char* logicalname, int lumpnum, FScanner* sc)
 FSoundID S_AddSound(const char* logicalname, const char* lumpname, FScanner* sc)
 {
 	int lump = fileSystem.CheckNumForFullName(lumpname, true, ns_sounds);
+	if (lump == -1) sc->ScriptMessage("%s: sound file not found");
 	return S_AddSound(logicalname, lump, sc);
 }