diff --git a/lib/dcell/messages.rb b/lib/dcell/messages.rb
index <HASH>..<HASH> 100644
--- a/lib/dcell/messages.rb
+++ b/lib/dcell/messages.rb
@@ -26,6 +26,8 @@ module DCell
 
     # A request to open relay pipe
     class RelayOpen < Message
+      attr_reader :sender
+
       def initialize(sender)
         @id = DCell.id
         @sender = sender
@@ -92,6 +94,8 @@ module DCell
 
     # Ping message checks if remote node is alive or not
     class Ping < Message
+      attr_reader :sender
+
       def initialize(sender)
         @sender = sender
       end
messages: export sender attribute for Ping and RelayOpen messages