diff --git a/stepmania/src/arch/MovieTexture/MovieTexture_FFMpeg.h b/stepmania/src/arch/MovieTexture/MovieTexture_FFMpeg.h
index 34f10bdc6c..6893ac869f 100644
--- a/stepmania/src/arch/MovieTexture/MovieTexture_FFMpeg.h
+++ b/stepmania/src/arch/MovieTexture/MovieTexture_FFMpeg.h
@@ -1,5 +1,5 @@
-#ifndef RAGEMovieTexture_FFMPEG_H
-#define RAGEMovieTexture_FFMPEG_H
+#ifndef RAGEMOVIETEXTURE_FFMPEG_H
+#define RAGEMOVIETEXTURE_FFMPEG_H
 
 #include "MovieTexture.h"
 
@@ -10,6 +10,8 @@
 
 #include "SDL_mutex.h"
 
+#define SUPPORT_MOVIETEXTURE_FFMPEG
+
 namespace avcodec
 {
 #if defined(_WIN32)