diff --git a/lib/ext/search_controller.rb b/lib/ext/search_controller.rb
index b2f97a8..4bfeb5f 100644
--- a/lib/ext/search_controller.rb
+++ b/lib/ext/search_controller.rb
@@ -85,7 +85,7 @@ class SearchController
     filtered_community_list = []
       software_list.each do |software|
        if @include_non_public || software.public_software?
-         filtered_community_list << software.community
+         filtered_community_list << software.community unless software.community.nil?
        end
     end
     filtered_community_list
--
libgit2 0.21.2