diff --git a/src/NoteDisplay.h b/src/NoteDisplay.h
index 034c97788a..878d96333a 100644
--- a/src/NoteDisplay.h
+++ b/src/NoteDisplay.h
@@ -89,7 +89,7 @@ public:
 	bool DrawHoldHeadForTapsOnSameRow() const;
 
 private:
-	void SetActiveFrame( float fNoteBeat, Actor &actorToSet, float fAnimationLengthInBeats, bool bVivid );
+	void SetActiveFrame( float fNoteBeat, Actor &actorToSet, float fAnimationLength, bool bVivid );
 	Actor *GetTapActor( NoteColorActor &nca, NotePart part, float fNoteBeat );
 	Actor *GetHoldActor( NoteColorActor nca[NUM_HoldType][NUM_ActiveType], NotePart part, float fNoteBeat, bool bIsRoll, bool bIsBeingHeld );
 	Sprite *GetHoldSprite( NoteColorSprite ncs[NUM_HoldType][NUM_ActiveType], NotePart part, float fNoteBeat, bool bIsRoll, bool bIsBeingHeld );