diff --git a/linode_api4/groups/networking.py b/linode_api4/groups/networking.py
index b16d12d9a..502b7f68e 100644
--- a/linode_api4/groups/networking.py
+++ b/linode_api4/groups/networking.py
@@ -452,10 +452,10 @@ def ip_addresses_assign(self, assignments, region):
         :param assignments: Any number of assignments to make.  See
                             :any:`IPAddress.to` for details on how to construct
                             assignments.
-        :type assignments: dct
+        :type assignments: list
         """
 
-        for a in assignments["assignments"]:
+        for a in assignments:
             if not "address" in a or not "linode_id" in a:
                 raise ValueError("Invalid assignment: {}".format(a))
 
diff --git a/test/unit/linode_client_test.py b/test/unit/linode_client_test.py
index e82f3562d..4d0db5753 100644
--- a/test/unit/linode_client_test.py
+++ b/test/unit/linode_client_test.py
@@ -1407,13 +1407,13 @@ def test_ip_addresses_assign(self):
 
         with self.mock_post({}) as m:
             self.client.networking.ip_addresses_assign(
-                {"assignments": [{"address": "192.0.2.1", "linode_id": 123}]},
+                [{"address": "192.0.2.1", "linode_id": 123}],
                 "us-east",
             )
             self.assertEqual(m.call_url, "/networking/ips/assign")
             self.assertEqual(
                 m.call_data["assignments"],
-                {"assignments": [{"address": "192.0.2.1", "linode_id": 123}]},
+                [{"address": "192.0.2.1", "linode_id": 123}],
             )
             self.assertEqual(m.call_data["region"], "us-east")