diff --git a/ethclient/gethclient/gethclient.go b/ethclient/gethclient/gethclient.go
index d030878e546..54997cbf51a 100644
--- a/ethclient/gethclient/gethclient.go
+++ b/ethclient/gethclient/gethclient.go
@@ -209,7 +209,7 @@ func (ec *Client) SubscribePendingTransactions(ctx context.Context, ch chan<- co
 // and returns them as a JSON object.
 func (ec *Client) TraceTransaction(ctx context.Context, hash common.Hash, config *tracers.TraceConfig) (any, error) {
 	var result any
-	err := ec.c.CallContext(ctx, &result, "debug_traceTransaction", hash.Hex(), config)
+	err := ec.c.CallContext(ctx, &result, "debug_traceTransaction", hash, config)
 	if err != nil {
 		return nil, err
 	}