diff --git a/stepmania/src/arch/MovieTexture/MovieTexture_DShow.h b/stepmania/src/arch/MovieTexture/MovieTexture_DShow.h
index 63e79210be..2e8ce6b7ba 100644
--- a/stepmania/src/arch/MovieTexture/MovieTexture_DShow.h
+++ b/stepmania/src/arch/MovieTexture/MovieTexture_DShow.h
@@ -1,5 +1,5 @@
-#ifndef RAGEMOVIETEXTURE_H
-#define RAGEMOVIETEXTURE_H
+#ifndef RAGEMOVIETEXTURE_DSHOW_H
+#define RAGEMOVIETEXTURE_DSHOW_H
 /*
 -----------------------------------------------------------------------------
  Class: RageMovieTexture