diff --git a/stepmania/src/archutils/Win32/arch_setup.h b/stepmania/src/archutils/Win32/arch_setup.h
index 57e0926c07..f15dff2dfb 100644
--- a/stepmania/src/archutils/Win32/arch_setup.h
+++ b/stepmania/src/archutils/Win32/arch_setup.h
@@ -1,6 +1,8 @@
 #ifndef ARCH_SETUP_WINDOWS_H
 #define ARCH_SETUP_WINDOWS_H
 
+#define HAVE_FFMPEG
+
 /* Fix VC breakage. */
 #define PATH_MAX _MAX_PATH