diff --git a/tasks/fail2ban.yml b/tasks/fail2ban.yml
index 15456aa..3824665 100644
--- a/tasks/fail2ban.yml
+++ b/tasks/fail2ban.yml
@@ -115,11 +115,6 @@
 # Create Proxmox firewall IPSet
 #################################################
 
-- name: fail2ban | Ensure firewall directory exists
-  ansible.builtin.file:
-    path: /etc/pve/firewall
-    state: directory
-
 - name: fail2ban | Add Fail2Ban IPSet to cluster firewall
   ansible.builtin.blockinfile:
     path: "{{ pve_firewall_config }}"
@@ -144,7 +139,11 @@
       IN DROP -source +{{ f2b_ipset_name }}
 
 - name: fail2ban | Extract corosync ring0 address
-  ansible.builtin.shell: grep ring0_addr /etc/pve/corosync.conf | awk '{print $2}'
+  ansible.builtin.shell: |
+    set -o pipefail
+    grep ring0_addr /etc/pve/corosync.conf | awk '{print $2}'
+  args:
+    executable: /bin/bash
   register: corosync_ip
   changed_when: false
   when: cluster_status.stat.exists