diff --git a/ansible/roles/prepare_node/tasks/main.yml b/ansible/roles/prepare_node/tasks/main.yml
index 8da055ee9dd13e32d808669d9a15bb826bd7c821..ee9aa63cea53ded3992f12a3cb62e17d36f1bb78 100644
--- a/ansible/roles/prepare_node/tasks/main.yml
+++ b/ansible/roles/prepare_node/tasks/main.yml
@@ -14,6 +14,7 @@
     dest: /etc/nftables.conf
     src: nftables.conf
     mode: '0755'
+  become: true
 
 - name: Enable and start nftables service
   tags:
@@ -22,6 +23,7 @@
     name: nftables
     state: started
     enabled: yes
+  become: true
 
 - name: Remove iptables-persistent package
   tags:
@@ -29,6 +31,7 @@
   package:
     state: absent
     name: iptables-persistent
+  become: true
 
 - name: Remove iptables-persistent config directory
   tags:
@@ -36,6 +39,7 @@
   file:
     state: absent
     path: "/etc/iptables/"
+  become: true
 
 - name: Install docker if necessary
   import_tasks: "docker.yml"
diff --git a/ansible/roles/setup/tasks/helmfiles.yml b/ansible/roles/setup/tasks/helmfiles.yml
index 2670f50f47c9250f6d37af35d268c5dbb2b4b289..670e01565e153484ad04d61a5c558dab6d62b697 100644
--- a/ansible/roles/setup/tasks/helmfiles.yml
+++ b/ansible/roles/setup/tasks/helmfiles.yml
@@ -62,7 +62,7 @@
     - oas
   file:
     state: touch
-    path: "/oas/config/values/apps/{{ item }}.gotmpl"
+    path: "/oas/config/values/apps/{{ item }}.yaml.gotmpl"
     mode: '0600'
   with_items:
     - "nginx"