diff --git a/media-video/ffmpeg/ffmpeg-2.4.2.recipe b/media-video/ffmpeg/ffmpeg-2.4.2.recipe
index ed3ffb081..fc3546984 100644
--- a/media-video/ffmpeg/ffmpeg-2.4.2.recipe
+++ b/media-video/ffmpeg/ffmpeg-2.4.2.recipe
@@ -70,9 +70,11 @@ BUILD_PREREQUIRES="
 	cmd:gcc$secondaryArchSuffix
 	cmd:ld$secondaryArchSuffix
 	cmd:awk
+	cmd:grep
 	cmd:make
 	cmd:perl
 	cmd:pkg_config$secondaryArchSuffix
+	cmd:sed
 	cmd:texi2html
 	cmd:yasm
 	"