diff --git a/modules/04-install-brew.sh b/modules/04-install-brew.sh
index cb2e520..c2c7182 100755
--- a/modules/04-install-brew.sh
+++ b/modules/04-install-brew.sh
@@ -36,8 +36,13 @@ function ensureUserCanRunPasswordlessSudo() {
 }
 
 function getFirstFreeRoleAccountID() {
-	local minUserID=200
-	local maxUserID=400
+	local minUserID=450
+	local maxUserID=499
+	local uname_machine=$(/usr/bin/uname -m)
+	if [[ ${uname_machine} == "arm64" ]]; then
+		minUserID=200
+		maxUserID=400
+	fi
 	dscl . -list '/Users' UniqueID | grep '_.*' | sort -n -k2 | awk -v i=${minUserID} '$2>='${minUserID}' && $2<'${maxUserID}' {if(i < $2) { print i; nextfile} else i=$2+1;} END {if(i <= '${maxUserID}' && ($2 < '${minUserID}' || $2 > '${maxUserID}')) print i;}'
 }