diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1364e3e..84e6e6e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,8 +24,10 @@ sandbox:
     - develop
 
 prod:
+  variables:
+    HUGO_ENV: production
   script:
-    - HUGO_ENV=production; hugo --baseURL https://2019.devfesttoulouse.fr/
+    - hugo --baseURL https://2019.devfesttoulouse.fr/
     - node themes/devfest-theme-hugo/minify.js
     - firebase use prod
     - firebase deploy --token "$FIREBASE_PROD_TOKEN"
diff --git a/themes/devfest-theme-hugo b/themes/devfest-theme-hugo
index 6b7a517..a8850ba 160000
--- a/themes/devfest-theme-hugo
+++ b/themes/devfest-theme-hugo
@@ -1 +1 @@
-Subproject commit 6b7a5173a063b1304756c3d7725da5830da12f2e
+Subproject commit a8850ba6fee55c7c433cdb896c93b039c20885a7