diff --git a/aliases.sh b/aliases.sh
index 99f4414..72e78d1 100644
--- a/aliases.sh
+++ b/aliases.sh
@@ -5,7 +5,7 @@ SCRIPT_DIR="$(dirname $(realpath "$0"))"
 function run() {
     if [ $# -lt 2 ]; then
         echo "Usage: $0 <category> <script> [args...]"
-        find "$SCRIPT_DIR" -mindepth 2 | awk -F'[./]' '{printf "$ run %s %s\n",$(NF-2),$(NF-1)}'
+        find "$SCRIPT_DIR" -mindepth 2 -iname "*.sh" | awk -F'[./]' '{printf "$ run %s %s\n",$(NF-2),$(NF-1)}'
         return
     fi
     bash "$SCRIPT_DIR/$1/$2.sh" ${@:3}
diff --git a/nixos/update.sh b/nixos/update.sh
index 12e1bcb..252f1d0 100755
--- a/nixos/update.sh
+++ b/nixos/update.sh
@@ -1,6 +1,9 @@
+#!/usr/bin/env bash
+
 update() {
     cd ~/dotfiles
     git pull
+    git submodule init
     git submodule update
     sudo nixos-rebuild switch --flake ~/dotfiles
     home-manager switch --flake ~/dotfiles