diff --git a/awx/main/tasks.py b/awx/main/tasks.py
index d41f21b087..374f9f9f22 100644
--- a/awx/main/tasks.py
+++ b/awx/main/tasks.py
@@ -1822,7 +1822,7 @@ class RunInventoryUpdate(BaseTask):
                 cp.set(section, 'ssl_verify', "false")
 
             cloudforms_opts = dict(inventory_update.source_vars_dict.items())
-            for opt in ['version', 'purge_actions', 'clean_group_keys', 'nest_tags', 'suffix']:
+            for opt in ['version', 'purge_actions', 'clean_group_keys', 'nest_tags', 'suffix', 'prefer_ipv4']:
                 if opt in cloudforms_opts:
                     cp.set(section, opt, cloudforms_opts[opt])
 
diff --git a/awx/main/tests/unit/test_tasks.py b/awx/main/tests/unit/test_tasks.py
index c80dbda6f9..8c4698b004 100644
--- a/awx/main/tests/unit/test_tasks.py
+++ b/awx/main/tests/unit/test_tasks.py
@@ -1757,6 +1757,8 @@ class TestInventoryUpdateCredentials(TestJobExecution):
             self.instance.credential, 'password'
         )
 
+        self.instance.source_vars_dict['prefer_ipv4'] = True
+
         def run_pexpect_side_effect(*args, **kwargs):
             args, cwd, env, stdout = args
             config = ConfigParser.ConfigParser()
@@ -1765,6 +1767,7 @@ class TestInventoryUpdateCredentials(TestJobExecution):
             assert config.get('cloudforms', 'username') == 'bob'
             assert config.get('cloudforms', 'password') == 'secret'
             assert config.get('cloudforms', 'ssl_verify') == 'false'
+            assert config.get('cloudforms', 'prefer_ipv4') == 'true'
 
             cache_path = config.get('cache', 'path')
             assert cache_path.startswith(env['AWX_PRIVATE_DATA_DIR'])