diff --git a/lass/2configs/IM.nix b/lass/2configs/IM.nix
index 5108f6bc1..5b8cebf5c 100644
--- a/lass/2configs/IM.nix
+++ b/lass/2configs/IM.nix
@@ -30,7 +30,7 @@ in {
   imports = [
     ./bitlbee.nix
   ];
-  environment.systemPackages = [ tmux ];
+  environment.systemPackages = [ tmux weechat ];
   systemd.services.chat = {
     description = "chat environment setup";
     after = [ "network.target" ];