diff --git a/cpu/msp430/Makefile.msp430 b/cpu/msp430/Makefile.msp430
index a29af4f74..23717b77a 100644
--- a/cpu/msp430/Makefile.msp430
+++ b/cpu/msp430/Makefile.msp430
@@ -1,4 +1,4 @@
-# $Id: Makefile.msp430,v 1.6 2006/10/09 09:13:23 adamdunkels Exp $
+# $Id: Makefile.msp430,v 1.7 2006/10/09 09:15:48 adamdunkels Exp $
 
 ### Check if we are running under Windows
 
@@ -10,6 +10,10 @@ ifndef WINDIR
   endif
 endif
 
+ifdef nodeid
+CFLAGS += -DNODEID=$(nodeid)
+endif
+
 .SUFFIXES:
 
 ### Define the CPU directory