diff --git a/stepmania/src/LightsManager.cpp b/stepmania/src/LightsManager.cpp
index 7403972386..05229a89e5 100644
--- a/stepmania/src/LightsManager.cpp
+++ b/stepmania/src/LightsManager.cpp
@@ -47,7 +47,7 @@ static const char *LightsModeNames[] = {
 	"TestAutoCycle",
 	"TestManualCycle",
 };
-XToString( LightsMode, NUM_LIGHTS_MODES );
+XToString( LightsMode, NUM_LightsMode );
 
 static void GetUsedGameInputs( vector<GameInput> &vGameInputsOut )
 {
diff --git a/stepmania/src/LightsManager.h b/stepmania/src/LightsManager.h
index eb432d5c96..1ac052d4fb 100644
--- a/stepmania/src/LightsManager.h
+++ b/stepmania/src/LightsManager.h
@@ -39,7 +39,8 @@ enum LightsMode
 	LIGHTSMODE_ALL_CLEARED,
 	LIGHTSMODE_TEST_AUTO_CYCLE,
 	LIGHTSMODE_TEST_MANUAL_CYCLE,
-	NUM_LIGHTS_MODES
+	NUM_LightsMode,
+	LightsMode_Invalid
 };
 const RString& LightsModeToString( LightsMode lm );