diff --git a/README.md b/README.md
index 7befb79..1e555e9 100644
--- a/README.md
+++ b/README.md
@@ -119,6 +119,8 @@ For an update release with a specific version (tag or branch), use (the `-v` par
 ansible-playbook ansible/site.yaml -i ansible/inventories/production --tags release -v -e gitversion=<v*.*.*>
 ```
 
+You can also use the `gitrepo` parameter to use a different fork of the source code.
+
 Once the basic system set up, i.e. you have an `ansible` user in the sudoers and docker group, you are ready to run the playbook.
 
 The typical order of deployment is:
diff --git a/ansible/roles/wagtail/tasks/install.yaml b/ansible/roles/wagtail/tasks/install.yaml
index 25d42b1..30c81ec 100644
--- a/ansible/roles/wagtail/tasks/install.yaml
+++ b/ansible/roles/wagtail/tasks/install.yaml
@@ -4,22 +4,23 @@
   file: path={{ release_dir }} state=directory owner=ansible group=ansible
   become: true
 
-- name: Ensure Make is installed
-  become: true
-  apt:
-    pkg: make
-
 - name: Checkout code branch from git
   git:
-    repo: 'https://github.com/datalets/public-health-ch'
     dest: "{{ release_dir }}"
-    force: yes
+    repo: "{{ gitrepo }}"
+    version: "{{ gitversion }}"
+    force: false
 
 - name: Copy Docker site configuration
   template:
     src: docker-compose.j2
     dest: "{{ release_dir }}/docker-compose.yml"
 
+- name: Ensure Make is installed
+  become: true
+  apt:
+    pkg: make
+
 - name: Deploy Wagtail site on Docker
   shell: make build
   args:
diff --git a/ansible/roles/wagtail/tasks/release.yaml b/ansible/roles/wagtail/tasks/release.yaml
index 4e9ba20..8aac1d3 100644
--- a/ansible/roles/wagtail/tasks/release.yaml
+++ b/ansible/roles/wagtail/tasks/release.yaml
@@ -2,10 +2,10 @@
 
 - name: Checkout code branch from git
   git:
-    repo: 'https://github.com/datalets/public-health-ch'
     dest: "{{ release_dir }}"
-    force: yes
+    repo: "{{ gitrepo }}"
     version: "{{ gitversion }}"
+    force: no
 
 - name: Copy Docker site configuration
   template:
diff --git a/ansible/wagtail.yaml b/ansible/wagtail.yaml
index 8861284..ddf8e3e 100644
--- a/ansible/wagtail.yaml
+++ b/ansible/wagtail.yaml
@@ -2,6 +2,8 @@
   become: false
   gather_facts: true
   vars:
+    gitrepo: https://github.com/datalets/public-health-ch
+    gitversion: master
     release_dir: /opt/publichealth
     archive_dir: /opt/www-old
     django_log_dir: /var/log/publichealth