diff --git a/src/a2a/client/transports/jsonrpc.py b/src/a2a/client/transports/jsonrpc.py
index d8011cf4..090ac541 100644
--- a/src/a2a/client/transports/jsonrpc.py
+++ b/src/a2a/client/transports/jsonrpc.py
@@ -414,7 +414,7 @@ async def get_card(
             raise A2AClientJSONRPCError(response.root)
         self.agent_card = response.root.result
         self._needs_extended_card = False
-        return card
+        return self.agent_card
 
     async def close(self) -> None:
         """Closes the httpx client."""
diff --git a/tests/client/transports/test_jsonrpc_client.py b/tests/client/transports/test_jsonrpc_client.py
index bd705d93..31747d8e 100644
--- a/tests/client/transports/test_jsonrpc_client.py
+++ b/tests/client/transports/test_jsonrpc_client.py
@@ -774,7 +774,7 @@ async def test_get_card_with_extended_card_support(
             mock_send_request.return_value = rpc_response
             card = await client.get_card()
 
-        assert card == agent_card
+        assert card == AGENT_CARD_EXTENDED
         mock_send_request.assert_called_once()
         sent_payload = mock_send_request.call_args.args[0]
         assert sent_payload['method'] == 'agent/getAuthenticatedExtendedCard'