lib/terraforming/resource/security_group.rb in terraforming-0.16.0 vs lib/terraforming/resource/security_group.rb in terraforming-0.17.0

@@ -170,10 +170,10 @@
           # VPC
           elsif security_group.owner_id == range.user_id && range.group_name.nil?
             range.group_id
           # EC2-Classic, other account
           else
-            "#{range.user_id}/#{range.group_name}"
+            "#{range.user_id}/#{range.group_name || range.group_id}"
           end
         end
       end
 
       def tags_attributes_of(security_group)