diff --git a/ops/nixos/lib/home-manager/common.nix b/ops/nixos/lib/home-manager/common.nix
index e655864813..63f750b85b 100644
--- a/ops/nixos/lib/home-manager/common.nix
+++ b/ops/nixos/lib/home-manager/common.nix
@@ -7,6 +7,10 @@
   home.file = {
     ".hgrc".source = ./hgrc;
   };
+  home.sessionVariables = {
+    EDITOR = "vim";
+    VISUAL = "vim";
+  };
 
   programs.bash = {
     enable = true;