diff --git a/scripts/upgrade b/scripts/upgrade
index 4ddd9b7..c6fcafa 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -49,6 +49,7 @@ pushd $install_dir
     ynh_hide_warnings ynh_exec_as_app yarn workspace @chibisafe/backend generate
     ynh_hide_warnings ynh_exec_as_app yarn workspace @chibisafe/backend migrate
 	ynh_hide_warnings ynh_exec_as_app yarn build
+    ynh_hide_warnings ynh_exec_as_app bash -c "echo "BASE_API_URL=http://127.0.0.1:8000" >> ./packages/next/.env"
 popd
 
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