diff --git a/lib/slack-ruby-bot/bot.rb b/lib/slack-ruby-bot/bot.rb
index 4e7bb96..a70f70a 100644
--- a/lib/slack-ruby-bot/bot.rb
+++ b/lib/slack-ruby-bot/bot.rb
@@ -11,7 +11,7 @@ def self.instance
     end
 
     def self.call(client, data, _match)
-      client.say(channel: data.channel, text: "Sorry <@#{data.user}>, I don't understand that command!", gif: 'idiot')
+      client.say(channel: data.channel, text: "Sorry <@#{data.user}>, I don't understand that command!", gif: 'understand')
     end
   end
 end
diff --git a/lib/slack-ruby-bot/commands/unknown.rb b/lib/slack-ruby-bot/commands/unknown.rb
index 081f566..44ccae3 100644
--- a/lib/slack-ruby-bot/commands/unknown.rb
+++ b/lib/slack-ruby-bot/commands/unknown.rb
@@ -4,7 +4,7 @@ class Unknown < Base
       match(/^(?<bot>\S*)[\s]*(?<expression>.*)$/)
 
       def self.call(client, data, _match)
-        client.say(channel: data.channel, text: "Sorry <@#{data.user}>, I don't understand that command!", gif: 'idiot')
+        client.say(channel: data.channel, text: "Sorry <@#{data.user}>, I don't understand that command!", gif: 'understand')
       end
     end
   end