diff --git a/cmdutils.c b/cmdutils.c
index 51f617c40a..1c2bf4696b 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -35,6 +35,7 @@
 #include "libswscale/swscale.h"
 #include "libpostproc/postprocess.h"
 #include "libavutil/avstring.h"
+#include "libavutil/mathematics.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/eval.h"
diff --git a/libavcodec/aaccoder.c b/libavcodec/aaccoder.c
index b64bf9fa2d..f8a8f3d844 100644
--- a/libavcodec/aaccoder.c
+++ b/libavcodec/aaccoder.c
@@ -33,6 +33,7 @@
 #include "libavutil/libm.h" // brought forward to work around cygwin header breakage
 
 #include <float.h>
+#include "libavutil/mathematics.h"
 #include "avcodec.h"
 #include "put_bits.h"
 #include "aac.h"
diff --git a/libavcodec/nellymoserenc.c b/libavcodec/nellymoserenc.c
index 0f521db1e9..d3715ac740 100644
--- a/libavcodec/nellymoserenc.c
+++ b/libavcodec/nellymoserenc.c
@@ -35,6 +35,7 @@
  * http://wiki.multimedia.cx/index.php?title=Nellymoser
  */
 
+#include "libavutil/mathematics.h"
 #include "nellymoser.h"
 #include "avcodec.h"
 #include "dsputil.h"