diff --git a/home-manager/modules/common.nix b/home-manager/modules/common.nix
index de3b453..7c4a08a 100644
--- a/home-manager/modules/common.nix
+++ b/home-manager/modules/common.nix
@@ -80,6 +80,7 @@ in
 
         tmux = {
           enable = true;
+          keyMode = "vi";
         };
 
         bash = {