diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java
index 3bbd1a885a9..f7f2cba533f 100644
--- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java
+++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV2Test.java
@@ -155,7 +155,7 @@ public void shouldValidateExcessBlobGasCorrectly() {
 
     final JsonRpcError jsonRpcError = fromErrorResp(resp);
     assertThat(jsonRpcError.getCode()).isEqualTo(INVALID_PARAMS.getCode());
-    assertThat(jsonRpcError.getData()).isEqualTo("non-nil ExcessBlobGas pre-cancun");
+    assertThat(jsonRpcError.getData()).isEqualTo("non-null ExcessBlobGas pre-cancun");
     verify(engineCallListener, times(1)).executionEngineCalled();
   }