diff --git a/lib/msf/util/exe.rb b/lib/msf/util/exe.rb
index 0c1d7a934d..38222dcf06 100644
--- a/lib/msf/util/exe.rb
+++ b/lib/msf/util/exe.rb
@@ -423,7 +423,7 @@ require 'rex/pescan'
 		vbs << "#{var_func}\r\n"
 		vbs << "WScript.Sleep #{delay * 1000}\r\n" if persist
 		vbs << "Loop\r\n" if persist
-
+		vbs
 	end
 
 	def self.to_win32pe_vbs(framework, code, opts={})
diff --git a/msfencode b/msfencode
index f20cc47b7a..20cd35ca41 100755
--- a/msfencode
+++ b/msfencode
@@ -257,6 +257,7 @@ case cmd
 						end
 					end
 				else
+					fmt ||= "ruby"
 					if(not output)
 						$stdout.print(Msf::Simple::Buffer.transform(raw, fmt))
 					else