diff --git a/changelogs/fragments/53738-cs_iso-missing_is_public.yml b/changelogs/fragments/53738-cs_iso-missing_is_public.yml
new file mode 100644
index 0000000000..33773cf549
--- /dev/null
+++ b/changelogs/fragments/53738-cs_iso-missing_is_public.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - cs_iso - Add the 'is_public' param into argument_spec to allow the registering of public iso.
diff --git a/lib/ansible/modules/cloud/cloudstack/cs_iso.py b/lib/ansible/modules/cloud/cloudstack/cs_iso.py
index cede97274f..3f3d76b9d8 100644
--- a/lib/ansible/modules/cloud/cloudstack/cs_iso.py
+++ b/lib/ansible/modules/cloud/cloudstack/cs_iso.py
@@ -418,6 +418,7 @@ def main():
         is_ready=dict(type='bool', default=False),
         bootable=dict(type='bool'),
         is_featured=dict(type='bool'),
+        is_public=dict(type='bool'),
         is_dynamically_scalable=dict(type='bool'),
         state=dict(choices=['present', 'absent'], default='present'),
         poll_async=dict(type='bool', default=True),
diff --git a/test/sanity/validate-modules/ignore.txt b/test/sanity/validate-modules/ignore.txt
index 4cd23e83f7..cd4476a461 100644
--- a/test/sanity/validate-modules/ignore.txt
+++ b/test/sanity/validate-modules/ignore.txt
@@ -98,7 +98,6 @@ lib/ansible/modules/cloud/centurylink/clc_firewall_policy.py E335
 lib/ansible/modules/cloud/centurylink/clc_server_snapshot.py E335
 lib/ansible/modules/cloud/cloudstack/cs_cluster.py E326
 lib/ansible/modules/cloud/cloudstack/cs_host.py E326
-lib/ansible/modules/cloud/cloudstack/cs_iso.py E323
 lib/ansible/modules/cloud/cloudstack/cs_network.py E324
 lib/ansible/modules/cloud/cloudstack/cs_network_offering.py E322
 lib/ansible/modules/cloud/cloudstack/cs_network_offering.py E326