diff --git a/Gemfile.lock b/Gemfile.lock
index bd124e55..ff5c1317 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,6 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    columnize (0.9.0)
     concurrent-ruby (1.0.1)
     debug_inspector (0.0.2)
     delayed_job (4.0.6)
diff --git a/app/helpers/topics_helper.rb b/app/helpers/topics_helper.rb
index 362a5f46..482a663c 100644
--- a/app/helpers/topics_helper.rb
+++ b/app/helpers/topics_helper.rb
@@ -10,7 +10,7 @@ module TopicsHelper
       topic['value'] = t.name
       topic['description'] = t.desc.truncate(70) # make this return matched results
       topic['type'] = t.metacode.name
-      topic['typeImageURL'] = t.metacode.asset_path_icon
+      topic['typeImageURL'] = t.metacode.icon
       topic['permission'] = t.permission
       topic['mapCount'] = t.maps.count
       topic['synapseCount'] = t.synapses.count