diff --git a/cpu/avr/radio/rf230/hal.h b/cpu/avr/radio/rf230/hal.h
index b2a2d19c7..b15c3b226 100644
--- a/cpu/avr/radio/rf230/hal.h
+++ b/cpu/avr/radio/rf230/hal.h
@@ -47,7 +47,7 @@
  *  \file
  *  \brief This file contains low-level radio driver code.
  *
- *   $Id: hal.h,v 1.4 2008/11/29 15:55:02 c_oflynn Exp $
+ *   $Id: hal.h,v 1.5 2010/02/26 21:15:28 dak664 Exp $
 */
 
 #ifndef HAL_AVR_H
@@ -70,11 +70,12 @@
  * \{
  */
 /* Define all possible revisions here */
+// Don't use zero, it will match if undefined!
 // RAVEN_D : Raven kit with LCD display
 // RAVENUSB_C : used for USB key or Raven card 
 // RCB_B : RZ200 kit from Atmel based on 1281V
 // ZIGBIT : Zigbit module from Meshnetics
-#define RAVEN_D	    0
+#define RAVEN_D	    4
 #define RAVENUSB_C  1
 #define RCB_B	    	2
 #define ZIGBIT			3
diff --git a/cpu/avr/radio/rf230bb/hal.h b/cpu/avr/radio/rf230bb/hal.h
index fc202183c..ed77ee030 100644
--- a/cpu/avr/radio/rf230bb/hal.h
+++ b/cpu/avr/radio/rf230bb/hal.h
@@ -47,7 +47,7 @@
  *  \file
  *  \brief This file contains low-level radio driver code.
  *
- *   $Id: hal.h,v 1.2 2010/02/16 21:41:24 dak664 Exp $
+ *   $Id: hal.h,v 1.3 2010/02/26 21:15:29 dak664 Exp $
 */
 
 #ifndef HAL_AVR_H
@@ -70,11 +70,12 @@
  * \{
  */
 /* Define all possible revisions here */
+// Don't use zero, it will match if undefined!
 // RAVEN_D : Raven kit with LCD display
 // RAVENUSB_C : used for USB key or Raven card 
 // RCB_B : RZ200 kit from Atmel based on 1281V
 // ZIGBIT : Zigbit module from Meshnetics
-#define RAVEN_D	    0
+#define RAVEN_D	    4
 #define RAVENUSB_C  1
 #define RCB_B	    	2
 #define ZIGBIT			3
diff --git a/platform/avr-raven/contiki-conf.h b/platform/avr-raven/contiki-conf.h
index 621e6856f..9241c3b47 100644
--- a/platform/avr-raven/contiki-conf.h
+++ b/platform/avr-raven/contiki-conf.h
@@ -51,7 +51,7 @@ typedef int32_t s32_t;
  */
 #define MCU_MHZ 8
 #define PLATFORM PLATFORM_AVR
-/*TODO:Who defines RAVEN_REVISION = RAVEN_D needed by hal.h? */
+#define RAVEN_REVISION RAVEN_D
 
 /* Clock ticks per second */
 #define CLOCK_CONF_SECOND 125