diff --git a/install-release.sh b/install-release.sh
index a3bf72f..aca1d51 100644
--- a/install-release.sh
+++ b/install-release.sh
@@ -46,7 +46,7 @@ systemd_cat_config() {
 
 check_if_running_as_root() {
   # If you want to run as another user, please modify $UID to be owned by this user
-  if [[ "$UID" -ne '0' ]]; then
+  if [[ "$EUID" -ne '0' ]]; then
     echo "error: You must run this script as root!"
     exit 1
   fi