diff --git a/glim.sh b/glim.sh
index 65f5e5c..f47ab29 100755
--- a/glim.sh
+++ b/glim.sh
@@ -9,6 +9,11 @@ if [[ `id -u` -eq 0 ]]; then
   exit 1
 fi
 
+# Alias sudo to doas if sudo isn't installed
+if [[ ! `command -v sudo` ]]; then
+    alias sudo doas
+fi
+
 # Sanity check : GRUB2
 if which grub2-install &>/dev/null; then
   GRUB2_INSTALL="grub2-install"