diff --git a/libavcodec/proresenc.c b/libavcodec/proresenc.c
index 97e331b24a..e34945f81a 100644
--- a/libavcodec/proresenc.c
+++ b/libavcodec/proresenc.c
@@ -27,6 +27,7 @@
 
 #include "avcodec.h"
 #include "put_bits.h"
+#include "bytestream.h"
 #include "dsputil.h"
 
 #define DEFAULT_SLICE_MB_WIDTH 8