diff --git a/testsite/playbooks/tls.yml b/testsite/playbooks/tls.yml
index 32673af11ef3ca58dc1e44a00f4e2b5df241f25c..27b866cc040e11b4eb5560c7bc6bbc6e851fb3db 100644
--- a/testsite/playbooks/tls.yml
+++ b/testsite/playbooks/tls.yml
@@ -30,7 +30,7 @@
   tasks:
     - name: Create GnuTLS certificate templates for all hosts
       template: src="../tls/gnutls_server_certificate.cfg.j2" dest="../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.cfg"
-      with_items: host_tls_info
+      with_items: "{{ host_tls_info }}"
     - name: Create the CA key
       command: certtool --sec-param high --generate-privkey --outfile ../tls/ca.key
       args:
@@ -41,7 +41,7 @@
         creates: ../tls/ca.pem
     - name: Create private keys for all hosts
       command: certtool --sec-param normal --generate-privkey --outfile "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.key"
-      with_items: host_tls_info
+      with_items: "{{ host_tls_info }}"
       args:
         creates: "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.key"
     - name: Issue certificates for all hosts
@@ -50,6 +50,6 @@
              --template "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.cfg"
              --load-privkey "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.key"
              --outfile "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.pem"
-      with_items: host_tls_info
+      with_items: "{{ host_tls_info }}"
       args:
-        creates: "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.pem"
\ No newline at end of file
+        creates: "../tls/{{ item.hostname }}.{{ testsite_domain }}_{{ item.service }}.pem"