--- a/services/sync/modules/SyncedTabs.jsm
+++ b/services/sync/modules/SyncedTabs.jsm
@@ -78,17 +78,17 @@ let SyncedTabsInternal = {
   }),
 
   /* Make a "client" record. Returns a promise for consistency with _makeTab */
   _makeClient: Task.async(function* (client) {
     return {
       id: client.id,
       type: "client",
       name: Weave.Service.clientsEngine.getClientName(client.id),
-      icon: Weave.Service.clientsEngine.isMobile(client.id),
+      isMobile: Weave.Service.clientsEngine.isMobile(client.id),
       tabs: []
     };
   }),
 
   _tabMatchesFilter(tab, filter) {
     let reFilter = new RegExp(escapeRegExp(filter), "i");
     return tab.url.match(reFilter) || tab.title.match(reFilter);
   },