diff --git a/themes/campus/default/base.twig b/themes/campus/default/base.twig
index c7c249b4668cd97b08c38ddac9e0969d70a3bf4a..1d68daa918eb7437942618dbe99c3d49e1150064 100644
--- a/themes/campus/default/base.twig
+++ b/themes/campus/default/base.twig
@@ -1,3 +1,6 @@
+{% if muni_jvs is not defined %}
+ {% set muni_jvs = false %}
+{% endif %}
{% spaceless %}
<!DOCTYPE html>
<html lang="{{ currentLanguage }}" xml:lang="{{ currentLanguage }}">