diff --git a/app/views/explore/mapper.html.erb b/app/views/explore/mapper.html.erb
index bf3e73c0..9a24bda0 100644
--- a/app/views/explore/mapper.html.erb
+++ b/app/views/explore/mapper.html.erb
@@ -12,7 +12,7 @@
   Metamaps.currentPage = "mapper";
   Metamaps.ServerData.Mapper = {
     models: <%= @maps.to_json.html_safe %>,
-    id: <%= params[:id] %>
+    mapperId: <%= params[:id] %>
   };
   Metamaps.GlobalUI.Search.focus();
 </script>
diff --git a/frontend/src/Metamaps/DataModel/index.js b/frontend/src/Metamaps/DataModel/index.js
index 6d41e19f..04690589 100644
--- a/frontend/src/Metamaps/DataModel/index.js
+++ b/frontend/src/Metamaps/DataModel/index.js
@@ -80,11 +80,11 @@ const DataModel = {
     var myCollection = serverData.Mine ? serverData.Mine : []
     var sharedCollection = serverData.Shared ? serverData.Shared : []
     var starredCollection = serverData.Starred ? serverData.Starred : []
-    var mapperCollection = []
+    var mapperCollection = serverData.Mapper ? serverData.Mapper : []
     var mapperOptionsObj = { id: 'mapper', sortBy: 'updated_at' }
-    if (self.Maps.Mapper.mapperId) {
+    if (serverData.Mapper.mapperId) {
       mapperCollection = serverData.Mapper.models
-      mapperOptionsObj.mapperId = serverData.Mapper.id
+      mapperOptionsObj.mapperId = serverData.Mapper.mapperId
     }
     var featuredCollection = serverData.Featured ? serverData.Featured : []
     var activeCollection = serverData.Active ? serverData.Active : []