diff --git a/libavutil/version.h b/libavutil/version.h
index 67a0b7c783..3f82a974c5 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -123,6 +123,9 @@
 #ifndef FF_API_AUDIOCONVERT
 #define FF_API_AUDIOCONVERT             (LIBAVUTIL_VERSION_MAJOR < 53)
 #endif
+#ifndef FF_API_CPU_FLAG_MMX2
+#define FF_API_CPU_FLAG_MMX2            (LIBAVUTIL_VERSION_MAJOR < 53)
+#endif
 
 /**
  * @}