diff --git a/Src/Graphics/IRender3D.h b/Src/Graphics/IRender3D.h
index a7dea3a..b76e51b 100644
--- a/Src/Graphics/IRender3D.h
+++ b/Src/Graphics/IRender3D.h
@@ -16,7 +16,7 @@ public:
   virtual void EndFrame(void) = 0;
   virtual void UploadTextures(unsigned level, unsigned x, unsigned y, unsigned width, unsigned height) = 0;
   virtual void AttachMemory(const uint32_t *cullingRAMLoPtr, const uint32_t *cullingRAMHiPtr, const uint32_t *polyRAMPtr, const uint32_t *vromPtr, const uint16_t *textureRAMPtr) = 0;
-  virtual void SetStep(int stepID) = 0;
+  virtual void SetStepping(int stepping) = 0;
   virtual bool Init(unsigned xOffset, unsigned yOffset, unsigned xRes, unsigned yRes, unsigned totalXRes, unsigned totalYRes) = 0;
   
   virtual ~IRender3D()