diff --git a/sysmngr/Config.in b/sysmngr/Config.in
index 6bdfb4b7b..5b3deaac3 100644
--- a/sysmngr/Config.in
+++ b/sysmngr/Config.in
@@ -32,6 +32,11 @@ config SYSMNGR_VENDOR_EXTENSIONS
 	bool "Enable vendor extensions for Device.DeviceInfo."
 	default y
 
+config SYSMNGR_VENDOR_PREFIX
+	depends on SYSMNGR_VENDOR_EXTENSIONS
+	string "Vendor Prefix for sysmngr datamodel extensions"
+	default ""
+
 config SYSMNGR_FWBANK_UBUS_SUPPORT
 	bool "Expose fwbank ubus object"
 	default y
diff --git a/sysmngr/Makefile b/sysmngr/Makefile
index 444a316cc..ddc0d3652 100644
--- a/sysmngr/Makefile
+++ b/sysmngr/Makefile
@@ -5,13 +5,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=sysmngr
-PKG_VERSION:=1.0.14
+PKG_VERSION:=1.0.15
 
 LOCAL_DEV:=0
 ifneq ($(LOCAL_DEV),1)
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://dev.iopsys.eu/system/sysmngr.git
-PKG_SOURCE_VERSION:=93dfeb49df371685a2e155a3c6d24fe8e9d110b6
+PKG_SOURCE_VERSION:=3470caa72a1e2903e204e31ea0226e957cf25469
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MIRROR_HASH:=skip
 endif
@@ -48,8 +48,6 @@ define Build/Prepare
 endef
 endif
 
-TARGET_CFLAGS += -DBBF_VENDOR_PREFIX=\\\"$(CONFIG_BBF_VENDOR_PREFIX)\\\"
-
 ifeq ($(CONFIG_SYSMNGR_VENDOR_CONFIG_FILE),y)
 MAKE_FLAGS += SYSMNGR_VENDOR_CONFIG_FILE=y
 endif
@@ -80,6 +78,11 @@ endif
 
 ifeq ($(CONFIG_SYSMNGR_VENDOR_EXTENSIONS),y)
 MAKE_FLAGS += SYSMNGR_VENDOR_EXTENSIONS=y
+ifeq ($(CONFIG_SYSMNGR_VENDOR_PREFIX),"")
+TARGET_CFLAGS += -DCUSTOM_PREFIX=\\\"$(CONFIG_BBF_VENDOR_PREFIX)\\\"
+else
+TARGET_CFLAGS += -DCUSTOM_PREFIX=\\\"$(CONFIG_SYSMNGR_VENDOR_PREFIX)\\\"
+endif
 endif
 
 ifeq ($(CONFIG_SYSMNGR_FWBANK_UBUS_SUPPORT),y)