diff --git a/scripts/install b/scripts/install
index cb20b54..0bf2e27 100755
--- a/scripts/install
+++ b/scripts/install
@@ -112,6 +112,8 @@ popd
 
 # Setup custom user.css file
 ynh_add_config --template="user.css.example" --destination="$install_dir/public/dist/user.css"
+chmod 750 "$install_dir/public/dist/user.css"
+chown $app:$app "$install_dir/public/dist/user.css"
 
 #=================================================
 # END OF SCRIPT