diff --git a/source/build/src/defs.cpp b/source/build/src/defs.cpp
index b629626be..732dd6c41 100644
--- a/source/build/src/defs.cpp
+++ b/source/build/src/defs.cpp
@@ -17,6 +17,7 @@
 #include "gamecontrol.h"
 #include "palettecontainer.h"
 #include "mapinfo.h"
+#include "s_soundinternal.h"
 #include "parsefuncs.h"
 
 int tileSetHightileReplacement(int picnum, int palnum, const char* filename, float alphacut, float xscale, float yscale, float specpower, float specfactor, uint8_t flags);
diff --git a/source/core/parsefuncs.h b/source/core/parsefuncs.h
index 5c23b6e02..778ea2532 100644
--- a/source/core/parsefuncs.h
+++ b/source/core/parsefuncs.h
@@ -67,7 +67,13 @@ static void parseCutscene(FScanner& sc, CutsceneDef& cdef)
 	}
 	if (sound.IsNotEmpty())
 	{
-
+		cdef.sound = soundEngine->FindSound(sound);
+		if (cdef.sound == 0)
+		{
+			int lump = fileSystem.FindFile(sound);
+			if (lump < 0) return;
+			cdef.sound = FSoundID(soundEngine->AddSoundLump(sound, lump, 0));
+		}
 	}
 }
 
@@ -81,11 +87,11 @@ void parseDefineCutscene(FScanner& sc, FScriptPosition& pos)
 	{
 		parseCutscene(sc, globalCutscenes.Intro);
 	}
-	if (sc.Compare("mapintro")) // sets the global default for a map entry handler.
+	else if (sc.Compare("mapintro")) // sets the global default for a map entry handler.
 	{
 		parseCutscene(sc, globalCutscenes.DefaultMapIntro);
 	}
-	if (sc.Compare("mapoutro")) // sets the global default for a map exit handler.
+	else if (sc.Compare("mapoutro")) // sets the global default for a map exit handler.
 	{
 		parseCutscene(sc, globalCutscenes.DefaultMapOutro);
 	}
diff --git a/wadsrc/static/filter/duke/engine/engine.def b/wadsrc/static/filter/duke/engine/engine.def
new file mode 100644
index 000000000..8adfcea29
--- /dev/null
+++ b/wadsrc/static/filter/duke/engine/engine.def
@@ -0,0 +1,53 @@
+// Cutscene definitions for Duke
+
+definecutscene intro
+{
+	function DukeCutscenes.BuildIntro
+}
+
+definecutscene episode 1
+{
+	outro
+	{
+		function DukeCutscenes.BuildE1End
+	}
+}
+
+definecutscene episode 2
+{
+	outro
+	{
+		function DukeCutscenes.BuildE2End
+	}
+}
+
+definecutscene episode 3
+{
+	outro
+	{
+		function DukeCutscenes.BuildE3End
+	}
+}
+
+definecutscene episode 4
+{
+	intro
+	{
+		function DukeCutscenes.BuildE4Intro
+	}
+	outro
+	{
+		function DukeCutscenes.BuildE4End
+	}
+}
+
+definecutscene episode 5
+{
+	outro
+	{
+		function DukeCutscenes.BuildE5End
+	}
+}
+
+definecutscene summary DukeCutscenes.BuildSPSummary
+definecutscene mpsummary DukeCutscenes.BuildMPSummary
diff --git a/wadsrc/static/zscript/games/duke/ui/cutscenes.zs b/wadsrc/static/zscript/games/duke/ui/cutscenes.zs
index d8592bdd3..ed90b8149 100644
--- a/wadsrc/static/zscript/games/duke/ui/cutscenes.zs
+++ b/wadsrc/static/zscript/games/duke/ui/cutscenes.zs
@@ -354,6 +354,7 @@ struct RRCutscenes
 
 	static void BuildMapIntro(ScreenJobRunner runner, MapRecord map)
 	{
+		if (!raze.isRRRA()) return;
 		int ln = map.levelnumber;
 		if (ln == 0) return;
 		if (ln > 1000) ln -= 1000-7;