diff --git a/src/usersettings/usersettingsmanager.js b/src/usersettings/usersettingsmanager.js
index 700a34d..904d319 100644
--- a/src/usersettings/usersettingsmanager.js
+++ b/src/usersettings/usersettingsmanager.js
@@ -5,7 +5,8 @@ const DEFAULTS_CATEGORIES = [
   'filterSidebarVisibility',
   'sortSidebarVisibility',
   'columnVisibility',
-  'collapseState'
+  'collapseState',
+  'sidebarWidths'
 ];
 
 const TOP_LEVEL_CATEGORIES = ['pageLayout', 'appearance'];