diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index fca6daf1f5..f81a9946ad 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -39,6 +39,7 @@
 #include "h263dsp.h"
 #include "hpeldsp.h"
 #include "idctdsp.h"
+#include "internal.h"
 #include "me_cmp.h"
 #include "motion_est.h"
 #include "mpegpicture.h"