diff --git a/timemngr/Config.in b/timemngr/Config.in
index 980dbbdec..8c0f4279b 100644
--- a/timemngr/Config.in
+++ b/timemngr/Config.in
@@ -32,4 +32,8 @@ config TIMEMNGR_VENDOR_EXTENSIONS
 	bool "Iopsys vendor extensions for Device.Time."
 	depends on PACKAGE_timemngr
 	default y
+
+config TIMEMNGR_VENDOR_PREFIX
+	string "Package specific datamodel Vendor Prefix for TR181 extensions"
+	default ""
 endif
diff --git a/timemngr/Makefile b/timemngr/Makefile
index 9d5e27183..01316e879 100644
--- a/timemngr/Makefile
+++ b/timemngr/Makefile
@@ -5,7 +5,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=timemngr
-PKG_VERSION:=1.1.5
+PKG_VERSION:=1.1.6
 
 LOCAL_DEV:=0
 ifneq ($(LOCAL_DEV),1)
@@ -50,7 +50,13 @@ define Build/Prepare
 endef
 endif
 
-TARGET_CFLAGS += -DBBF_VENDOR_PREFIX=\\\"$(CONFIG_BBF_VENDOR_PREFIX)\\\"
+ifeq ($(CONFIG_TIMEMNGR_VENDOR_PREFIX),"")
+VENDOR_PREFIX = $(CONFIG_BBF_VENDOR_PREFIX)
+else
+VENDOR_PREFIX = $(CONFIG_TIMEMNGR_VENDOR_PREFIX)
+endif
+
+TARGET_CFLAGS += -DBBF_VENDOR_PREFIX=\\\"$(VENDOR_PREFIX)\\\"
 
 define Package/$(PKG_NAME)/install
 	$(INSTALL_DIR) $(1)/etc/timemngr/