diff --git a/templates/dbus/INSTALL b/templates/dbus/INSTALL
index ecc7b58e3f..19d01438d1 100644
--- a/templates/dbus/INSTALL
+++ b/templates/dbus/INSTALL
@@ -9,16 +9,18 @@ pre)
 	;;
 post)
 	echo "Running $3-$4 post installation hooks..."
-	if getent group dbus >/dev/null; then
+	if ! chroot . getent group dbus >/dev/null; then
 		chroot . groupadd -r dbus
-		[ $? -eq 0 ] && echo "Created dbus system group."
+		[ $? -ne 0 ] && exit $?
+		echo "Created dbus system group."
 	fi
-	if getent passwd dbus >/dev/null; then
+	if ! chroot . getent passwd dbus >/dev/null; then
 		chroot . useradd -c "System message bus" \
 			-d /var/run/dbus \
 			-s /sbin/nologin -g dbus -r dbus && \
 		chroot . passwd -l dbus &>/dev/null
-		[ $? -eq 0 ] && echo "Created dbus system user."
+		[ $? -ne 0 ] && exit $?
+		echo "Created dbus system user."
 	fi
 	chroot . chown root:dbus ${dbus_launch}
 	chroot . chmod 4750 ${dbus_launch}