diff --git a/packages/testing/src/execution_testing/client_clis/clis/nethermind.py b/packages/testing/src/execution_testing/client_clis/clis/nethermind.py
index e687c77066..b98760040b 100644
--- a/packages/testing/src/execution_testing/client_clis/clis/nethermind.py
+++ b/packages/testing/src/execution_testing/client_clis/clis/nethermind.py
@@ -396,6 +396,7 @@ class NethermindExceptionMapper(ExceptionMapper):
         BlockException.INVALID_STATE_ROOT: (
             "InvalidStateRoot: State root in header does not match"
         ),
+        BlockException.GAS_USED_OVERFLOW: ("Block gas limit exceeded"),
     }
     mapping_regex = {
         TransactionException.INSUFFICIENT_ACCOUNT_FUNDS: (