diff --git a/src/modules/uavcannode/uavcannode_main.cpp b/src/modules/uavcannode/uavcannode_main.cpp
index 3c6805e689..dfae64a0bb 100644
--- a/src/modules/uavcannode/uavcannode_main.cpp
+++ b/src/modules/uavcannode/uavcannode_main.cpp
@@ -258,9 +258,9 @@ void UavcanNode::fill_node_info()
 	hwver.major = HW_VERSION_MAJOR;
 	hwver.minor = HW_VERSION_MINOR;
 
-	raw_uuid_byte_t udid = {};
-	get_board_serial(udid);
-	uavcan::copy(udid, udid + sizeof(udid), hwver.unique_id.begin());
+	mfguid_t mfgid = {};
+	board_get_mfguid(mfgid);
+	uavcan::copy(mfgid, mfgid + sizeof(mfgid), hwver.unique_id.begin());
 
 	_node.setHardwareVersion(hwver);
 }