diff --git a/app/models/channel.rb b/app/models/channel.rb
index 4c3d7b9..c2730fb 100644
--- a/app/models/channel.rb
+++ b/app/models/channel.rb
@@ -37,7 +37,7 @@ class DiscourseChat::Channel < DiscourseChat::PluginModel
     end
 
     check_unique = false
-    matching_channels = DiscourseChat::Channel.all
+    matching_channels = DiscourseChat::Channel.where.not(id: id)
 
     data.each do |key, value|
       regex_string = params.find{|p| p[:key] == key}[:regex]