diff --git a/src/scripting/vmthunks.cpp b/src/scripting/vmthunks.cpp
index ba4336928..cf676342a 100644
--- a/src/scripting/vmthunks.cpp
+++ b/src/scripting/vmthunks.cpp
@@ -2940,6 +2940,7 @@ DEFINE_FIELD(FLevelLocals, fogdensity)
 DEFINE_FIELD(FLevelLocals, outsidefogdensity)
 DEFINE_FIELD(FLevelLocals, skyfog)
 DEFINE_FIELD(FLevelLocals, pixelstretch)
+DEFINE_FIELD(FLevelLocals, MusicVolume)
 DEFINE_FIELD(FLevelLocals, deathsequence)
 DEFINE_FIELD_NAMED(FLevelLocals, li_compatflags, compatflags)
 DEFINE_FIELD_NAMED(FLevelLocals, li_compatflags2, compatflags2)
diff --git a/wadsrc/static/zscript/base.zs b/wadsrc/static/zscript/base.zs
index 7db99c92d..30a06f52a 100644
--- a/wadsrc/static/zscript/base.zs
+++ b/wadsrc/static/zscript/base.zs
@@ -701,6 +701,7 @@ struct LevelLocals native
 	native readonly int outsidefogdensity;
 	native readonly int skyfog;
 	native readonly float pixelstretch;
+	native readonly float MusicVolume;
 	native name deathsequence;
 	native readonly int compatflags;
 	native readonly int compatflags2;