diff --git a/libavcodec/i386/dsputil_mmx.h b/libavcodec/i386/dsputil_mmx.h
index 8c92c830ae..fc5d01e70b 100644
--- a/libavcodec/i386/dsputil_mmx.h
+++ b/libavcodec/i386/dsputil_mmx.h
@@ -22,6 +22,8 @@
 #ifndef FFMPEG_DSPUTIL_MMX_H
 #define FFMPEG_DSPUTIL_MMX_H
 
+#include <stdint.h>
+
 extern const uint64_t ff_bone;
 extern const uint64_t ff_wtwo;