diff --git a/qb/qb.system.sh b/qb/qb.system.sh
index 0589126905..45541ea1e4 100644
--- a/qb/qb.system.sh
+++ b/qb/qb.system.sh
@@ -1,3 +1,7 @@
+IFS=' 	
+'
+\unalias -a 2>/dev/null
+PATH="$(command -p getconf PATH):$PATH"
 
 if [ -n "$CROSS_COMPILE" ]; then
 	case "$CROSS_COMPILE" in
@@ -26,4 +30,3 @@ if [ -e /etc/lsb-release ]; then
 fi
 
 echo "Checking operating system ... $OS ${DISTRO}"
-