diff --git a/root.bashrc b/root.bashrc
index 5a37c71..35f6ca7 100644
--- a/root.bashrc
+++ b/root.bashrc
@@ -46,7 +46,7 @@ function u2d () {
     cd
     if [ -e /etc/arch-release ]; then
         pacman -Syu
-    elif [ -e /etc/debian_release ]; then
+    elif [ -e /etc/debian_version ]; then
         apt update && apt full-upgrade -y && apt autoremove -y
     else
         echo "Auto update not supported."