diff --git a/mmv1/third_party/terraform/services/storagetransfer/resource_storage_transfer_job.go.tmpl b/mmv1/third_party/terraform/services/storagetransfer/resource_storage_transfer_job.go.tmpl
index 28c963496d7e..36c85745f54c 100644
--- a/mmv1/third_party/terraform/services/storagetransfer/resource_storage_transfer_job.go.tmpl
+++ b/mmv1/third_party/terraform/services/storagetransfer/resource_storage_transfer_job.go.tmpl
@@ -1150,7 +1150,7 @@ func flattenAwsS3Data(awsS3Data *storagetransfer.AwsS3Data, d *schema.ResourceDa
 		"path":        awsS3Data.Path,
 		"role_arn":    awsS3Data.RoleArn,
 	}
-	if _, exist := d.GetOkExists("transfer_spec.0.aws_s3_data_source.0.aws_access_key"); exist{
+	if _, exist := d.GetOk("transfer_spec.0.aws_s3_data_source.0.aws_access_key"); exist{
 		data["aws_access_key"] = flattenAwsAccessKeys(d)
 	}
 	return []map[string]interface{}{data}