diff --git a/handler_sandbox.go b/handler_sandbox.go
index b545afd..e76edec 100644
--- a/handler_sandbox.go
+++ b/handler_sandbox.go
@@ -17,12 +17,12 @@ func UploadImageToSandboxHandler(w http.ResponseWriter, r *http.Request, ps http
 
 	r.ParseMultipartForm(0)
 
-	uuidObject, err := uuid.NewV4()
+	uid, err := uuid.NewV4()
 	if err != nil {
 		RespondInternalServerError(w, err)
 		return
 	}
-	imageId := uuidObject.String()
+	imageId := uid.String()
 
 	file, _, err := r.FormFile("image")
 	if err != nil {