diff --git a/lib/rex/post/meterpreter/extensions/railgun/railgun.rb b/lib/rex/post/meterpreter/extensions/railgun/railgun.rb
index aaa9acfe3c..911415a99b 100644
--- a/lib/rex/post/meterpreter/extensions/railgun/railgun.rb
+++ b/lib/rex/post/meterpreter/extensions/railgun/railgun.rb
@@ -121,6 +121,17 @@ module Rex
 						end
 					end
 
+					class BufferItem
+						attr_reader :belongs_to_param_n, :addr, :length_in_bytes, :datatype
+
+						def initialize(belongs_to_param_n, addr, length_in_bytes, datatype)
+							@belongs_to_param_n = belongs_to_param_n
+							@addr = addr
+							@length_in_bytes = length_in_bytes
+							@datatype = datatype
+						end
+					end
+
 					# shared functions
 					module DLLHelper
 
@@ -230,17 +241,6 @@ module Rex
 
 						include DLLHelper
 
-						class BufferItem
-							attr_reader :belongs_to_param_n, :addr, :length_in_bytes, :datatype
-
-							def initialize(belongs_to_param_n, addr, length_in_bytes, datatype)
-								@belongs_to_param_n = belongs_to_param_n
-								@addr = addr
-								@length_in_bytes = length_in_bytes
-								@datatype = datatype
-							end
-						end
-
 						attr_accessor :functions
 
 						def initialize(dll_path, client, win_consts) #