diff --git a/defaults/main.yml b/defaults/main.yml
index cc1e4ee..0c7b810 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -40,4 +40,4 @@ cmk_fresh_install: false
 # Breaks idempotence but allows role to be used to force upgrade agents.
 cmk_force_install: false
 
-cmk_guest_ip: "{{ ansible_host }}"
+cmk_host_ip: "{{ ansible_host }}"