diff --git a/home/tmux/default.nix b/home/tmux/default.nix
index 04a6d78..93895a9 100644
--- a/home/tmux/default.nix
+++ b/home/tmux/default.nix
@@ -30,6 +30,8 @@
       # Automatically renumber windows
       set -g renumber-windows on
       set -g allow-passthrough on
+      set -ga update-environment TERM
+      set -ga update-environment TERM_PROGRAM
     '';
   };
 }