diff --git a/group_vars/fan-rz b/group_vars/fan_rz
similarity index 100%
rename from group_vars/fan-rz
rename to group_vars/fan_rz
diff --git a/hosts b/hosts
index 8777418..9b3c088 100644
--- a/hosts
+++ b/hosts
@@ -8,7 +8,7 @@ pizza.binary.kitchen ansible_host=172.23.2.33
 bob.binary.kitchen ansible_host=172.23.2.37
 bowle.binary.kitchen ansible_host=172.23.2.62 ansible_python_interpreter=/usr/local/bin/python2.7
 salat.binary.kitchen ansible_host=172.23.9.61
-[fan-rz]
+[fan_rz]
 helium.binary-kitchen.net
 lithium.binary-kitchen.net
 beryllium.binary-kitchen.net