diff --git a/docker/scripts/prepare-sources.sh b/docker/scripts/prepare-sources.sh
index e8a788b4c8..a642449799 100755
--- a/docker/scripts/prepare-sources.sh
+++ b/docker/scripts/prepare-sources.sh
@@ -14,9 +14,9 @@ docker run \
     --volume ${COMPOSER_HOME}:/composer/ \
     --workdir /data \
     phpbb/build${IMAGES_TAG} sh -c '
-    cd phpBB &&
     git config user.email "no-reply@phpbb.com" &&
     git config user.name "phpBB CI" &&
+    cd phpBB &&
     COMPOSER_HOME=/composer php ../composer.phar install --dev'
 
 docker run \