diff --git a/eth/catalyst/witness.go b/eth/catalyst/witness.go
index 712539c5e3..689f223be1 100644
--- a/eth/catalyst/witness.go
+++ b/eth/catalyst/witness.go
@@ -229,7 +229,7 @@ func (api *ConsensusAPI) ExecuteStatelessPayloadV4(params engine.ExecutableData,
 	case executionRequests == nil:
 		return engine.StatelessPayloadStatusV1{Status: engine.INVALID}, paramsErr("nil executionRequests post-prague")
 	case !api.checkFork(params.Timestamp, forks.Prague):
-		return engine.StatelessPayloadStatusV1{Status: engine.INVALID}, unsupportedForkErr("newPayloadV3 must only be called for cancun payloads")
+		return engine.StatelessPayloadStatusV1{Status: engine.INVALID}, unsupportedForkErr("newPayloadV4 must only be called for prague payloads")
 	}
 	requests := convertRequests(executionRequests)
 	if err := validateRequests(requests); err != nil {