diff --git a/home/tmux/default.nix b/home/tmux/default.nix
index 32f60b6..e545a2d 100644
--- a/home/tmux/default.nix
+++ b/home/tmux/default.nix
@@ -55,6 +55,7 @@ in {
     extraConfig = ''
       # Automatically renumber windows
       set -g renumber-windows on
+      set -g allow-passthrough on
     '';
   };
 }