diff --git a/tests/gmii/test_gmii.py b/tests/gmii/test_gmii.py
index 3f6948a..ac6c136 100644
--- a/tests/gmii/test_gmii.py
+++ b/tests/gmii/test_gmii.py
@@ -110,6 +110,7 @@ async def run_test(dut, payload_lengths=None, payload_data=None, ifg=12, enable_
         rx_frame = tb.sink.recv()
 
         assert rx_frame.get_payload() == test_data
+        assert rx_frame.check_fcs()
         assert rx_frame.error is None
 
     assert tb.sink.empty()