diff --git a/roles/web_server/defaults/main.yml b/roles/web_server/defaults/main.yml
index 239acd5f6078b0b59783df7f1f15a53374b00d4b..7df4251cfd74b8b0233b713d00b5af2ddbd229ec 100644
--- a/roles/web_server/defaults/main.yml
+++ b/roles/web_server/defaults/main.yml
@@ -1,5 +1,7 @@
 ---
 
+environment_indicator: null
+
 web_default_title: "Welcome"
 web_default_message: "You are attempting to access the web server using a wrong name or an IP address. Please check your URL."
 web_server_tls_protocols: