diff --git a/roles/matomo/tasks/install.yml b/roles/matomo/tasks/install.yml
index ac3aa0e9c..4cad7236d 100644
--- a/roles/matomo/tasks/install.yml
+++ b/roles/matomo/tasks/install.yml
@@ -105,7 +105,7 @@
       login: "{{ mdb_username }}"
       password: "{{ mdb_password }}"
       password_bis: "{{ mdb_password }}"
-      e-mail: "nobody@dev.null"
+      email: "nobody@dev.null"
       subscribe_newsletter_piwikorg: 0
       subscribe_newsletter_professionalservices: 0
     body_format: form-urlencoded
@@ -118,7 +118,7 @@
     headers:
       Cookie: "{{ matomo_session_cookie }}"
     body:
-      name: "IIAB"
+      siteName: "IIAB"
       url: "{{ host_url }}"
       timezone: "Europe/London"
       ecommerce: 0
@@ -161,11 +161,3 @@
     job: "{{ matomo_cronjob }}"
     user: root
     cron_file: "matomo_daily"
-- name: Set Matomo state variable
-  set_fact:
-    matomo_installed: True
-- name: Set Matomo state variable in IIAB state file
-  lineinfile:
-    path: "{{ iiab_state_file }}"
-    regexp: '^matomo_installed'
-    line: 'matomo_installed: True'