diff --git a/pottwal.yml b/pottwal.yml
index 5cf44e6..be2dc6b 100644
--- a/pottwal.yml
+++ b/pottwal.yml
@@ -52,7 +52,7 @@
           - name: influx.n39.eu
           - name: uptime.n39.eu
     - role: penguineer.dehydrated_cron
-    - role: dd24-dyndns-cron
+    - role: dd24_dyndns_cron
       # variables are set in the inventory
     - role: cleanuri
       vars:
diff --git a/roles/dd24-dyndns-cron/defaults/main.yml b/roles/dd24_dyndns_cron/defaults/main.yml
similarity index 100%
rename from roles/dd24-dyndns-cron/defaults/main.yml
rename to roles/dd24_dyndns_cron/defaults/main.yml
diff --git a/roles/dd24-dyndns-cron/handlers/main.yml b/roles/dd24_dyndns_cron/handlers/main.yml
similarity index 100%
rename from roles/dd24-dyndns-cron/handlers/main.yml
rename to roles/dd24_dyndns_cron/handlers/main.yml
diff --git a/roles/dd24-dyndns-cron/tasks/main.yml b/roles/dd24_dyndns_cron/tasks/main.yml
similarity index 100%
rename from roles/dd24-dyndns-cron/tasks/main.yml
rename to roles/dd24_dyndns_cron/tasks/main.yml
diff --git a/roles/dd24-dyndns-cron/templates/dd24-dyndns.cron.j2 b/roles/dd24_dyndns_cron/templates/dd24-dyndns.cron.j2
similarity index 100%
rename from roles/dd24-dyndns-cron/templates/dd24-dyndns.cron.j2
rename to roles/dd24_dyndns_cron/templates/dd24-dyndns.cron.j2