diff --git a/group_vars/acng.yml b/group_vars/acng.yml
index 5e26e205..de7839a7 100644
--- a/group_vars/acng.yml
+++ b/group_vars/acng.yml
@@ -12,4 +12,4 @@
       comment: 'acng'
   ### mgrote.acng
   acng_server_port: 9999
-  apt_cacher_ng_exthreshold: "60" #hebt Pakete 60 Tage auf
+  acng_server_exthreshold: "60" #hebt Pakete 60 Tage auf
diff --git a/roles/mgrote.acng/defaults/main.yml b/roles/mgrote.acng/defaults/main.yml
index 7a1459e6..64c7e9e2 100644
--- a/roles/mgrote.acng/defaults/main.yml
+++ b/roles/mgrote.acng/defaults/main.yml
@@ -1,3 +1,3 @@
 ---
-acng_exthreshold: "60"
+acng_server_exthreshold: "60"
 acng_server_port: 9999
diff --git a/roles/mgrote.acng/templates/acng.conf b/roles/mgrote.acng/templates/acng.conf
index 01fa71d3..f7438a2d 100644
--- a/roles/mgrote.acng/templates/acng.conf
+++ b/roles/mgrote.acng/templates/acng.conf
@@ -115,7 +115,7 @@ ReportPage: acng-report.html
 # available for some days (mirror downtime) then there is a risk of removal of
 # still useful package files.
 #
-ExThreshold: {{ acng_exthreshold }}
+ExThreshold: {{ acng_server_exthreshold }}
 
 # If the expiration is run daily, it sometimes does not make much sense to do
 # it because the expected changes (i.e. removal of expired files) don't justify
diff --git a/roles/mgrote.musterrolle/defaults/main.yml b/roles/mgrote.musterrolle/defaults/main.yml
index 3ab5681e..64c7e9e2 100644
--- a/roles/mgrote.musterrolle/defaults/main.yml
+++ b/roles/mgrote.musterrolle/defaults/main.yml
@@ -1,3 +1,3 @@
 ---
-apt_cacher_ng_exthreshold: "60"
+acng_server_exthreshold: "60"
 acng_server_port: 9999