diff --git a/libavdevice/libdc1394.c b/libavdevice/libdc1394.c
index bf4e27e51b..e6161a1386 100644
--- a/libavdevice/libdc1394.c
+++ b/libavdevice/libdc1394.c
@@ -23,6 +23,7 @@
 #include "config.h"
 #include "libavformat/avformat.h"
 #include "libavutil/log.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/opt.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/pixdesc.h"
diff --git a/libavfilter/vf_frei0r.c b/libavfilter/vf_frei0r.c
index 48683f4fea..455e24a7f1 100644
--- a/libavfilter/vf_frei0r.c
+++ b/libavfilter/vf_frei0r.c
@@ -28,6 +28,7 @@
 #include <frei0r.h>
 #include "libavutil/avstring.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/parseutils.h"
 #include "avfilter.h"
 
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index 3b7db0e6ca..57eaa84696 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -27,6 +27,7 @@
 #include "libavutil/avstring.h"
 #include "libavutil/dict.h"
 #include "libavutil/intfloat_readwrite.h"
+#include "libavutil/mathematics.h"
 #include "libavcodec/bytestream.h"
 #include "libavcodec/mpeg4audio.h"
 #include "avformat.h"
diff --git a/libavformat/librtmp.c b/libavformat/librtmp.c
index 30fe8a196b..6ccb66bd8c 100644
--- a/libavformat/librtmp.c
+++ b/libavformat/librtmp.c
@@ -24,6 +24,7 @@
  * RTMP protocol based on http://rtmpdump.mplayerhq.hu/ librtmp
  */
 
+#include "libavutil/mathematics.h"
 #include "avformat.h"
 #include "url.h"
 
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index f2ae567789..43cd1fbd6f 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -25,6 +25,7 @@
 #include "libavutil/intreadwrite.h"
 #include "libavutil/log.h"
 #include "libavutil/dict.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/opt.h"
 #include "libavcodec/bytestream.h"
 #include "avformat.h"