diff --git a/tools/dl_invites_page_deps.sh b/tools/dl_invites_page_deps.sh
index 10048ae6877..e31af6631fe 100755
--- a/tools/dl_invites_page_deps.sh
+++ b/tools/dl_invites_page_deps.sh
@@ -1,9 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
-jquery_checksum='39a546ea9ad97f8bfaf5d3e0e8f8556adb415e470e59007ada9759dce472adaa';
-bootstrap_checksum='3258c873cbcb1e2d81f4374afea2ea6437d9eee9077041073fd81dd579c5ba6b';
+jquery_checksum='39a546ea9ad97f8bfaf5d3e0e8f8556adb415e470e59007ada9759dce472adaa'
+bootstrap_checksum='3258c873cbcb1e2d81f4374afea2ea6437d9eee9077041073fd81dd579c5ba6b'
 
 check() {
   echo "$1 $2" | sha256sum -c - || (echo "checksum failed: $2 (does not match $1)"; exit 1)
@@ -17,16 +17,16 @@ install_dir="$1"
 
 mkdir -p "$install_dir/jquery"
 jquery="$(mktemp /tmp/jquery.XXXXXXXXX)"
-curl -s -o $jquery https://code.jquery.com/jquery-4.0.0.min.js
-check $jquery_checksum $jquery
-mv $jquery "$install_dir/jquery/jquery.min.js"
+curl -s -o "$jquery" https://code.jquery.com/jquery-4.0.0.min.js
+check "$jquery_checksum" "$jquery"
+mv "$jquery" "$install_dir/jquery/jquery.min.js"
 
 bootstrap="$(mktemp /tmp/bootstrap.XXXXXXXXX)"
-curl -L -s -o $bootstrap https://github.com/twbs/bootstrap/releases/download/v5.3.8/bootstrap-5.3.8-dist.zip
-check $bootstrap_checksum $bootstrap
+curl -L -s -o "$bootstrap" https://github.com/twbs/bootstrap/releases/download/v5.3.8/bootstrap-5.3.8-dist.zip
+check "$bootstrap_checksum" "$bootstrap"
 
 rm -rf "$install_dir/bootstrap"
-unzip -q -d "$install_dir" $bootstrap
+unzip -q -d "$install_dir" "$bootstrap"
 mv "$install_dir/bootstrap-5.3.8-dist" "$install_dir/bootstrap"
-rm $bootstrap
+rm "$bootstrap"
 echo "landing page dependencies for mod_invites installed to $install_dir"