diff --git a/inventory/group_vars/all b/inventory/group_vars/all
index d04c026b72..cf282cb23f 100644
--- a/inventory/group_vars/all
+++ b/inventory/group_vars/all
@@ -443,3 +443,6 @@ ansible_python_interpreter: auto
 
 # set no x-forward header by default
 x_forward: false
+
+# ocp4 is only set true in some proxy roles
+ocp4: false