diff --git a/map-topology/Config.in b/map-topology/Config.in
index 23bca9105..32e078b1e 100644
--- a/map-topology/Config.in
+++ b/map-topology/Config.in
@@ -7,14 +7,14 @@ config TOPOLOGYD_EASYMESH_VENDOR_EXT
 	default y
 
 config TOPOLOGYD_EASYMESH_VENDOR_EXT_OUI_DEFAULT
-	string
-	default "\\\\x11\\\\x22\\\\x33"
+	hex "Vendor OUI default"
+	default 0xB456FA
 
 config TOPOLOGYD_EASYMESH_VENDOR_EXT_OUI
-	string "Vendor OUI in '\\\\xAB\\\\xCD\\\\xEF' format"
+	hex "Vendor OUI in 0xAABBCC format"
 	default TOPOLOGYD_EASYMESH_VENDOR_EXT_OUI_DEFAULT
 	help
-	Extra features not covered by the base Easymesh specification can be
+	Extra features not covered by the base EasyMesh specification can be
 	enabled through TOPOLOGYD_EASYMESH_VENDOR_EXT. Please provide the Vendor's OUI
 	through which such features would be exposed.
 
diff --git a/map-topology/Makefile b/map-topology/Makefile
index 7216e1f6c..f3c84ddfb 100644
--- a/map-topology/Makefile
+++ b/map-topology/Makefile
@@ -6,11 +6,11 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=map-topology
-PKG_VERSION:=2.5.1.24
+PKG_VERSION:=2.5.2.0
 
 LOCAL_DEV:=0
 ifneq ($(LOCAL_DEV),1)
-PKG_SOURCE_VERSION:=9f15e813c39ff23cef27975ce138bd3286f30adf
+PKG_SOURCE_VERSION:=79129f812fa1c1b859b73943055267c885a43bfd
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://dev.iopsys.eu/multi-ap/map-topology.git
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
@@ -49,7 +49,7 @@ endef
 MAKE_PATH:=src
 
 ifeq ($(CONFIG_TOPOLOGYD_EASYMESH_VENDOR_EXT),y)
-TARGET_CFLAGS += -DEASYMESH_VENDOR_EXT_OUI=\\\"$(CONFIG_TOPOLOGYD_EASYMESH_VENDOR_EXT_OUI)\\\"
+TARGET_CFLAGS += -DEASYMESH_VENDOR_EXT_OUI=$(CONFIG_TOPOLOGYD_EASYMESH_VENDOR_EXT_OUI)
 endif
 
 ifeq ($(CONFIG_TOPOLOGYD_HOST_WAN_STATS),y)