diff --git a/ironic/drivers/modules/ansible/playbooks/roles/discover/tasks/roothints.yaml b/ironic/drivers/modules/ansible/playbooks/roles/discover/tasks/roothints.yaml
index 488a218132..d150754b8c 100644
--- a/ironic/drivers/modules/ansible/playbooks/roles/discover/tasks/roothints.yaml
+++ b/ironic/drivers/modules/ansible/playbooks/roles/discover/tasks/roothints.yaml
@@ -1,6 +1,6 @@
 - name: get devices wwn facts
   facts_wwn:
-    devices: "{{ ansible_devices.keys() }}"
+    devices: "{{ ansible_devices.keys() | list }}"
 
 - name: calculate root hint
   root_hints:
diff --git a/releasenotes/notes/bug-2006266-85da234583ca0c32.yaml b/releasenotes/notes/bug-2006266-85da234583ca0c32.yaml
new file mode 100644
index 0000000000..c741a1081f
--- /dev/null
+++ b/releasenotes/notes/bug-2006266-85da234583ca0c32.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+      An issue regarding the ``ansible`` deploy interface. The discovery
+      playbook used to gather wwn and serials was broken for python3 due to the
+      dict().keys() object not being a list in python3.