diff --git a/lib/utils/avatar-utils.js b/lib/utils/avatar-utils.js
index cdbb43f8b..0a42af732 100644
--- a/lib/utils/avatar-utils.js
+++ b/lib/utils/avatar-utils.js
@@ -1,41 +1,42 @@
 // @flow
 
-import t, { TInterface, TUnion } from 'tcomb';
+import t from 'tcomb';
+import type { TUnion, TInterface } from 'tcomb';
 
 import { tRegex, tShape, tString } from './validation-utils.js';
 import { validHexColorRegex } from '../shared/account-utils.js';
 import { onlyOneEmojiRegex } from '../shared/emojis.js';
 
 const emojiAvatarDBContentValidator: TInterface = tShape({
   type: tString('emoji'),
   emoji: tRegex(onlyOneEmojiRegex),
   color: tRegex(validHexColorRegex),
 });
 
 const imageAvatarDBContentValidator: TInterface = tShape({
   type: tString('image'),
   uploadID: t.String,
 });
 
 const ensAvatarDBContentValidator: TInterface = tShape({
   type: tString('ens'),
 });
 
 const updateUserAvatarRemoveRequestValidator: TInterface = tShape({
   type: tString('remove'),
 });
 
 const updateUserAvatarRequestValidator: TUnion<TInterface> = t.union([
   emojiAvatarDBContentValidator,
   imageAvatarDBContentValidator,
   ensAvatarDBContentValidator,
   updateUserAvatarRemoveRequestValidator,
 ]);
 
 export {
   emojiAvatarDBContentValidator,
   imageAvatarDBContentValidator,
   ensAvatarDBContentValidator,
   updateUserAvatarRemoveRequestValidator,
   updateUserAvatarRequestValidator,
 };