diff --git a/install/GNUmakefile b/install/GNUmakefile
index f56d55667ef1b94f63c8f45d77ba5194b62c9463..0ef05c001f26da00d39335716594fc30f316e846 100644
--- a/install/GNUmakefile
+++ b/install/GNUmakefile
@@ -1,3 +1,4 @@
+# $Id$
 # Global GNU makefile for Synchronet
 #
 # Usage: