diff --git a/app/models/channel/pop3.rb b/app/models/channel/pop3.rb
index 759575959..95ceac95b 100644
--- a/app/models/channel/pop3.rb
+++ b/app/models/channel/pop3.rb
@@ -4,7 +4,7 @@ require 'net/pop'
 
 class Channel::POP3 < Channel::EmailParser
 
-  def fetch (channel, check_type = '')
+  def fetch (channel, check_type = '', verify_string = '')
     ssl  = false
     port = 110
     if channel[:options][:ssl].to_s == 'true'