diff --git a/cmdutils.c b/cmdutils.c
index 052cba08cc..ed6951f6b7 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -44,6 +44,7 @@
 #include "libavutil/display.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/imgutils.h"
+#include "libavutil/libm.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/eval.h"