diff --git a/handlers/main.yml b/handlers/main.yml
index c61ddbb8..8685eee2 100644
--- a/handlers/main.yml
+++ b/handlers/main.yml
@@ -18,7 +18,7 @@
     name: "{{ item }}"
     state: restarted
     pattern: "{{ item }}"
-  with_items: ironic_service_names
+  with_items: "{{ ironic_service_names }}"
   failed_when: false
 
 - name: Restart tftpd-hpa
diff --git a/tasks/ironic_api_install.yml b/tasks/ironic_api_install.yml
index 326165b6..bc52b2bd 100644
--- a/tasks/ironic_api_install.yml
+++ b/tasks/ironic_api_install.yml
@@ -21,7 +21,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_api_apt_packages
+  with_items: "{{ ironic_api_apt_packages }}"
   tags:
     - ironic-install
     - ironic-api
diff --git a/tasks/ironic_conductor_install.yml b/tasks/ironic_conductor_install.yml
index b66b963f..e8d4b94e 100644
--- a/tasks/ironic_conductor_install.yml
+++ b/tasks/ironic_conductor_install.yml
@@ -21,7 +21,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_conductor_apt_packages
+  with_items: "{{ ironic_conductor_apt_packages }}"
   tags:
     - ironic-install
     - ironic-conductor
@@ -35,7 +35,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_conductor_standalone_apt_packages
+  with_items: "{{ ironic_conductor_standalone_apt_packages }}"
   when: ironic_standalone
   tags:
     - ironic-install
diff --git a/tasks/ironic_install.yml b/tasks/ironic_install.yml
index a7167c5b..250fbdca 100644
--- a/tasks/ironic_install.yml
+++ b/tasks/ironic_install.yml
@@ -66,7 +66,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_requires_pip_packages
+  with_items: "{{ ironic_requires_pip_packages }}"
   tags:
     - ironic-install
     - ironic-pip-packages
@@ -183,7 +183,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_pip_packages
+  with_items: "{{ ironic_pip_packages }}"
   when:
     - ironic_venv_enabled | bool
     - ironic_get_venv | failed or ironic_developer_mode | bool
@@ -201,7 +201,7 @@
   until: install_packages|success
   retries: 5
   delay: 2
-  with_items: ironic_pip_packages
+  with_items: "{{ ironic_pip_packages }}"
   when:
     - not ironic_venv_enabled | bool
     - not ironic_developer_mode | bool