diff --git a/home/base/core/shells/default.nix b/home/base/core/shells/default.nix
index 93470796..65adccf4 100644
--- a/home/base/core/shells/default.nix
+++ b/home/base/core/shells/default.nix
@@ -1,10 +1,18 @@
-{pkgs-unstable, ...}: let
+{
+  config,
+  pkgs-unstable,
+  ...
+}: let
   shellAliases = {
     k = "kubectl";
 
     urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
     urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";
   };
+
+  localBin = "${config.home.homeDirectory}/.local/bin";
+  goBin = "${config.home.homeDirectory}/go/bin";
+  rustBin = "${config.home.homeDirectory}/.cargo/bin";
 in {
   # only works in bash/zsh, not nushell
   home.shellAliases = shellAliases;
@@ -20,7 +28,7 @@ in {
     enable = true;
     enableCompletion = true;
     bashrcExtra = ''
-      export PATH="$HOME/.local/bin:$HOME/go/bin:$PATH"
+      export PATH="$PATH:${localBin}:${goBin}:${rustBin}"
     '';
   };
 }
diff --git a/home/base/tui/editors/emacs/default.nix b/home/base/tui/editors/emacs/default.nix
index 8eabf632..b3855f65 100644
--- a/home/base/tui/editors/emacs/default.nix
+++ b/home/base/tui/editors/emacs/default.nix
@@ -15,7 +15,7 @@
 }:
 with lib; let
   cfg = config.modules.editors.emacs;
-  envExtra = ''
+  envExtra = lib.mkAfter ''
     export PATH="${config.xdg.configHome}/emacs/bin:$PATH"
   '';
   shellAliases = {
diff --git a/home/darwin/shell.nix b/home/darwin/shell.nix
index 3f5edb09..2b6b3fc2 100644
--- a/home/darwin/shell.nix
+++ b/home/darwin/shell.nix
@@ -1,9 +1,9 @@
-let
-  envExtra = ''
+{lib}: let
+  envExtra = lib.mkAfter ''
     export PATH="$PATH:/opt/homebrew/bin:/usr/local/bin"
   '';
   # copied from the content generated by `conda init bash`
-  initExtra = ''
+  initExtra = lib.mkAfter ''
     arch=$(uname -m)
 
     if [ "aarch64" = "$arch" ] ||  [ "arm64" = "$arch" ]; then