diff --git a/docs/handlers/blobupload.go b/docs/handlers/blobupload.go
index 0f325184..1e3bff95 100644
--- a/docs/handlers/blobupload.go
+++ b/docs/handlers/blobupload.go
@@ -127,7 +127,7 @@ func (buh *blobUploadHandler) StartBlobUpload(w http.ResponseWriter, r *http.Req
 
 	if mountDigest != "" && fromRepo != "" {
 		opt, err := buh.createBlobMountOption(fromRepo, mountDigest)
-		if err != nil {
+		if opt != nil && err == nil {
 			options = append(options, opt)
 		}
 	}