diff --git a/src/pbnetwork.proto b/src/pbnetwork.proto
index 5fb332b45c74db9aa1d002cce5f16c999c697ec8..e5c2970124aeec9fc6061bfd4613f357a1dd1c25 100644
--- a/src/pbnetwork.proto
+++ b/src/pbnetwork.proto
@@ -37,6 +37,7 @@ message ConversationMessage {
 	required string userName = 1;
 	required string buddyName = 2;
 	required string message = 3;
+	optional string nickname = 4;
 }
 
 message Room {