diff --git a/simulators/ethereum/engine/enginetests.go b/simulators/ethereum/engine/enginetests.go
index fd7f67dff7..f96fc48c65 100644
--- a/simulators/ethereum/engine/enginetests.go
+++ b/simulators/ethereum/engine/enginetests.go
@@ -1183,10 +1183,10 @@ func outOfOrderPayloads(t *TestEnv) {
 		r.ExpectNoValidationError()
 
 		// Send all the payloads in the opposite order
-		for i := t.CLMock.LatestExecutedPayload.Number; i > 0; i-- {
-			payload := t.CLMock.ExecutedPayloadHistory[i]
+		for k := t.CLMock.LatestExecutedPayload.Number; k > 0; k-- {
+			payload := t.CLMock.ExecutedPayloadHistory[k]
 
-			if i > 1 {
+			if k > 1 {
 				r := secondaryTestEngineClients[i].TestEngineNewPayloadV1(&payload)
 				r.ExpectStatusEither(Accepted, Syncing)
 				r.ExpectLatestValidHash(nil)