diff --git a/usr/local/bin/sh.zio.install-package b/usr/local/bin/sh.zio.install-package
index 9c93fce..9f61e89 100755
--- a/usr/local/bin/sh.zio.install-package
+++ b/usr/local/bin/sh.zio.install-package
@@ -95,6 +95,9 @@ function download_generic() {
     install "$requested_package"
 }
 
+test_root
+test_prog "wget"
+
 case $requested_package in
     "caddy") download_caddy ;;
     *) die "Package '$requested_package' cannot be installed by this tool" ;;