diff --git a/roles/zabbix_proxy/tasks/Rocky.yml b/roles/zabbix_proxy/tasks/Rocky.yml
index 4e09605..1d80ca6 100644
--- a/roles/zabbix_proxy/tasks/Rocky.yml
+++ b/roles/zabbix_proxy/tasks/Rocky.yml
@@ -50,7 +50,7 @@
       ansible.builtin.dnf:
         name: "https://repo.zabbix.com/zabbix/{{ zabbix_version }}/release/rocky/9/noarch/zabbix-release-{{ zabbix_version }}-3.el9.noarch.rpm"
         state: present
-        disable_gpg_check: 
+        disable_gpg_check: 'no'
     # ==========================================================
     # Install proxy based on DB type
     # ==========================================================