diff --git a/website/common/script/libs/achievements.js b/website/common/script/libs/achievements.js
index 958b9bd65b..388e4a88e5 100644
--- a/website/common/script/libs/achievements.js
+++ b/website/common/script/libs/achievements.js
@@ -97,7 +97,7 @@ function _addSimpleWithMasterCount (result, user, data) {
     key: data.path,
     value,
     optionalCount: value,
-    earned: user.achievements[data.path],
+    earned: user.achievements[data.path] || false,
   });
 }