diff --git a/scripts/build-mpv.sh b/scripts/build-mpv.sh
index c96e598..15371a2 100755
--- a/scripts/build-mpv.sh
+++ b/scripts/build-mpv.sh
@@ -4,7 +4,7 @@ set -ex
 CFLAGS="-fPIC -Os"
 
 export CCACHE_SLOPPINESS=time_macros 
-
+export CCACHE=`which ccache`
 export CFLAGS="-D__DATE__= -D__TIME__= -D__TIMESTAMP__= $CFLAGS"
 
 
@@ -27,7 +27,7 @@ git clone --depth 1 https://github.com/mpv-player/mpv.git mpv || true
 git clone --depth 1 https://github.com/libass/libass.git libass || true
 
 #echo "--enable-libaom" > ffmpeg_options
-
+echo "--extra-cflags=\'$CFLAGS\'" > ffmpeg_options
 echo "--enable-libmpv-static --prefix=/usr" > mpv_options
 echo "--disable-caca --disable-wayland --disable-gl-wayland --disable-libarchive  --disable-zlib  --disable-tv --disable-debug-build --disable-manpage-build --disable-vapoursynth --disable-libsmbclient" >> mpv_options