diff --git a/views/shared/profiles/achievements.jade b/views/shared/profiles/achievements.jade
index 25eaf4d9a4..b1bd00c656 100644
--- a/views/shared/profiles/achievements.jade
+++ b/views/shared/profiles/achievements.jade
@@ -122,7 +122,7 @@ div(ng-if='profile.achievements.challenges || user._id == profile._id')
   div(ng-class='{muted: !profile.achievements.challenges}')
     h5=env.t('challengeWinner')
     table.table.table-striped
-      tr(ng-repeat='chal in profile.achievements.challenges')
+      tr(ng-repeat='chal in profile.achievements.challenges track by $index')
         td {{::chal}}
   hr
 
@@ -184,4 +184,4 @@ div(ng-if='::profile.achievements.nye')
   h5=env.t('auldAcquaintance')
   small
     =env.t('auldAcquaintanceText', {cards: "{{::profile.achievements.nye}}"})
-  hr
\ No newline at end of file
+  hr