diff --git a/tools/docker/docker-entrypoint.sh b/tools/docker/docker-entrypoint.sh
index cf23b7357d..012c4eec79 100755
--- a/tools/docker/docker-entrypoint.sh
+++ b/tools/docker/docker-entrypoint.sh
@@ -47,7 +47,7 @@ if [ -d "${CUSTOM_ASSETS_PATH}" ] && [ "$(ls -A ${CUSTOM_ASSETS_PATH})" ]; then
for image in ${images}
do
echo "[INFO] Adding preload link for ${image}..."
- sed -i "s@@\n@" \
+ sed -i "s@@\n@" \
${APP_FILES_PATH}index.html
done
else