diff --git a/roles/kubernetes-apps/ingress_controller/cert_manager/templates/cert-manager.yml.j2 b/roles/kubernetes-apps/ingress_controller/cert_manager/templates/cert-manager.yml.j2
index e59b11a0b17..3f51b19ad66 100644
--- a/roles/kubernetes-apps/ingress_controller/cert_manager/templates/cert-manager.yml.j2
+++ b/roles/kubernetes-apps/ingress_controller/cert_manager/templates/cert-manager.yml.j2
@@ -939,7 +939,7 @@ spec:
                 fieldPath: metadata.namespace
           resources:
             {}
-{% if cert_manager_internal_ca is defined %}
+{% if cert_manager_trusted_internal_ca is defined %}
           volumeMounts:
           - mountPath: /etc/ssl/certs/internal-ca.pem
             name: ca-internal-truststore