diff --git a/roles/role_deploy_openvpn-server/tasks/main.yml b/roles/role_deploy_openvpn-server/tasks/main.yml
index 2ef200a..f3e1deb 100644
--- a/roles/role_deploy_openvpn-server/tasks/main.yml
+++ b/roles/role_deploy_openvpn-server/tasks/main.yml
@@ -136,7 +136,7 @@
       - --persist-tun
       - --persist-key
       - --comp-lzo
-      - yes
+      - "yes"
       - --remote-cert-tls
       - client
       - --cipher