diff --git a/src/client/ClientDataManager.js b/src/client/ClientDataManager.js
index ad7c0285c..62924904e 100644
--- a/src/client/ClientDataManager.js
+++ b/src/client/ClientDataManager.js
@@ -84,7 +84,7 @@ class ClientDataManager {
   }
 
   killUser(user) {
-    this.users.delete(user.id);
+    this.client.users.delete(user.id);
   }
 
   killChannel(channel) {