diff --git a/.ci/docker-ccache-setup.sh b/.ci/docker-ccache-setup.sh
index 748e743bf9..f9c1aa7809 100755
--- a/.ci/docker-ccache-setup.sh
+++ b/.ci/docker-ccache-setup.sh
@@ -7,5 +7,6 @@ cp .ci/ccache.conf ~/.ccache
 if [ "$1" = "release-ready" ] ; then
   ccache -o base_dir="$(pwd)/$(grep '^PACKAGE_STRING' config.log|cut -d\' -f2|tr ' ' -)"
 else
-  ccache -o base_dir=$(pwd)
+  sed -iE '/^base_dir/d' ~/.ccache/ccache.conf
+  echo "base_dir = $pwd" >> ~/.ccache/ccache.conf
 fi