diff --git a/matrix-util.js b/matrix-util.js
index eba84f5..88199fb 100644
--- a/matrix-util.js
+++ b/matrix-util.js
@@ -140,7 +140,7 @@ MatrixUtil.prototype._updateLastMessage = function(partner, msg, direction) {
         matrix.buddies[partner] = {};
     }
 
-    matrix.buddies[destination]['last_' + direction] = {
+    matrix.buddies[partner]['last_' + direction] = {
         msg: msg,
         lastUpdate: moment().format('YYYY-MM-DD HH:mm:ss')
     }