diff --git a/builder/tencentcloud/cvm/step_check_source_image.go b/builder/tencentcloud/cvm/step_check_source_image.go
index ea1e2bb5a..56c722d9d 100644
--- a/builder/tencentcloud/cvm/step_check_source_image.go
+++ b/builder/tencentcloud/cvm/step_check_source_image.go
@@ -24,7 +24,7 @@ func (s *stepCheckSourceImage) Run(ctx context.Context, state multistep.StateBag
 	Say(state, config.SourceImageId, "Trying to check source image")
 
 	req := cvm.NewDescribeImagesRequest()
-	// req.InstanceType = &config.InstanceType
+	req.InstanceType = &config.InstanceType
 	if config.SourceImageId != "" {
 		req.ImageIds = []*string{&config.SourceImageId}
 	} else {