diff --git a/batman-adv/Makefile b/batman-adv/Makefile
index 84f2274..b84475a 100644
--- a/batman-adv/Makefile
+++ b/batman-adv/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=batman-adv
 
 PKG_VERSION:=2019.2
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 PKG_HASH:=70c3f6a6cf88d2b25681a76768a52ed92d9fe992ba8e358368b6a8088757adc8
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
diff --git a/batman-adv/files/lib/netifd/proto/batadv_vlan.sh b/batman-adv/files/lib/netifd/proto/batadv_vlan.sh
index d6d00ad..b4835f6 100755
--- a/batman-adv/files/lib/netifd/proto/batadv_vlan.sh
+++ b/batman-adv/files/lib/netifd/proto/batadv_vlan.sh
@@ -5,7 +5,7 @@
 init_proto "$@"
 
 proto_batadv_vlan_init_config() {
-	proto_config_add_string "ap_isolation"
+	proto_config_add_boolean 'ap_isolation:bool'
 }
 
 proto_batadv_vlan_setup() {
@@ -17,7 +17,7 @@ proto_batadv_vlan_setup() {
 
 	json_get_vars ap_isolation
 
-	batctl -m "$iface" ap_isolation "$ap_isolation"
+	[ -n "$ap_isolation" ] && batctl -m "$iface" ap_isolation "$ap_isolation"
 	proto_init_update "$iface" 1
 	proto_send_update "$config"
 }