diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index a853562a3f..4969623e6d 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -27,6 +27,7 @@
 #include "avcodec.h"
 #include "bitstream.h"
 #include "dsputil.h"
+#include "libavutil/common.h"
 
 /*
  * TODO:
diff --git a/libavcodec/opt.c b/libavcodec/opt.c
index 78fbfaeb57..9f0e3ca1b8 100644
--- a/libavcodec/opt.c
+++ b/libavcodec/opt.c
@@ -28,6 +28,7 @@
 #include "avcodec.h"
 #include "opt.h"
 #include "eval.h"
+#include "libavutil/common.h"
 
 //FIXME order them and do a bin search
 const AVOption *av_find_opt(void *v, const char *name, const char *unit, int mask, int flags){