diff --git a/rpc/errors.go b/rpc/errors.go
index 09927e18b2..4a2dab3d98 100644
--- a/rpc/errors.go
+++ b/rpc/errors.go
@@ -73,7 +73,7 @@ var ErrNoHistoricalFallback = NoHistoricalFallbackError{}
 
 type NoHistoricalFallbackError struct{}
 
-func (e NoHistoricalFallbackError) ErrorCode() int { return -32701 }
+func (e NoHistoricalFallbackError) ErrorCode() int { return -32801 }
 
 func (e NoHistoricalFallbackError) Error() string {
 	return "no historical RPC is available for this historical (pre-bedrock) execution request"