diff --git a/changes/changelog.d/1163.bugfix b/changes/changelog.d/1163.bugfix
new file mode 100644
index 0000000000000000000000000000000000000000..9febbdec7c2ece341ec4a26bdd0a804a3a6c365e
--- /dev/null
+++ b/changes/changelog.d/1163.bugfix
@@ -0,0 +1 @@
+Add `-e` flag to `sed` command in fix-fomantic-css.sh. (!1163)
diff --git a/front/scripts/fix-fomantic-css.sh b/front/scripts/fix-fomantic-css.sh
index 0cb6268ef15b27e97ac599718dce1b82dd28e8c6..9be377d1871282908c022049c7b5b0abaf7083e5 100755
--- a/front/scripts/fix-fomantic-css.sh
+++ b/front/scripts/fix-fomantic-css.sh
@@ -3,6 +3,6 @@
 find node_modules/fomantic-ui-css/components -name "*.min.css" -delete
 mkdir -p node_modules/fomantic-ui-css/tweaked
 echo 'Removing google font…'
-sed -i '/@import url(/d' node_modules/fomantic-ui-css/components/site.css
+sed -i -e '/@import url(/d' node_modules/fomantic-ui-css/components/site.css
 echo "Replacing hardcoded values by CSS vars…"
 scripts/fix-fomantic-css.py node_modules/fomantic-ui-css node_modules/fomantic-ui-css/tweaked