diff --git a/lib/cb/requests/application_external/submit_application.rb b/lib/cb/requests/application_external/submit_application.rb
index <HASH>..<HASH> 100644
--- a/lib/cb/requests/application_external/submit_application.rb
+++ b/lib/cb/requests/application_external/submit_application.rb
@@ -30,6 +30,7 @@ module Cb
         private
 
         def ipath
+          return '' unless @args[:ipath].class == String
           ipath_length = 10
 
           @args[:ipath].slice(0, ipath_length) || '' unless @args.nil? || @args[:ipath].nil?
ipath won't bomb if not given a string