diff --git a/stepmania/src/LightsManager.cpp b/stepmania/src/LightsManager.cpp
index d173382ecf..e5217610ea 100644
--- a/stepmania/src/LightsManager.cpp
+++ b/stepmania/src/LightsManager.cpp
@@ -46,6 +46,7 @@ static const char *LightsModeNames[] = {
 	"TestManualCycle",
 };
 XToString( LightsMode );
+LuaXType( LightsMode );
 
 static void GetUsedGameInputs( vector<GameInput> &vGameInputsOut )
 {
diff --git a/stepmania/src/LightsManager.h b/stepmania/src/LightsManager.h
index 834e9733d3..3772bd9cdf 100644
--- a/stepmania/src/LightsManager.h
+++ b/stepmania/src/LightsManager.h
@@ -42,6 +42,7 @@ enum LightsMode
 	LightsMode_Invalid
 };
 const RString& LightsModeToString( LightsMode lm );
+LuaDeclareType( LightsMode );
 
 struct LightsState
 {