diff --git a/libavcodec/imgconvert.h b/libavcodec/imgconvert.h
index 102f925c0b..a87106aee2 100644
--- a/libavcodec/imgconvert.h
+++ b/libavcodec/imgconvert.h
@@ -24,6 +24,7 @@
 #ifndef FFMPEG_IMGCONVERT_H
 #define FFMPEG_IMGCONVERT_H
 
+#include <stdint.h>
 #include "avcodec.h"
 
 int ff_fill_linesize(AVPicture *picture, int pix_fmt, int width);
diff --git a/libavutil/intfloat_readwrite.h b/libavutil/intfloat_readwrite.h
index fe7fe35201..1ebb053f3a 100644
--- a/libavutil/intfloat_readwrite.h
+++ b/libavutil/intfloat_readwrite.h
@@ -21,6 +21,7 @@
 #ifndef FFMPEG_INTFLOAT_READWRITE_H
 #define FFMPEG_INTFLOAT_READWRITE_H
 
+#include <stdint.h>
 #include "common.h"
 
 /* IEEE 80 bits extended float */
diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h
index a0c286249f..fa407b6111 100644
--- a/libavutil/mathematics.h
+++ b/libavutil/mathematics.h
@@ -21,6 +21,7 @@
 #ifndef FFMPEG_MATHEMATICS_H
 #define FFMPEG_MATHEMATICS_H
 
+#include <stdint.h>
 #include "rational.h"
 
 enum AVRounding {