diff --git a/cpu/mc1322x/lib/include/tmr.h b/cpu/mc1322x/lib/include/tmr.h
index 1d0168133..a539f0e16 100644
--- a/cpu/mc1322x/lib/include/tmr.h
+++ b/cpu/mc1322x/lib/include/tmr.h
@@ -30,7 +30,7 @@
  * This file is part of libmc1322x: see http://mc1322x.devl.org
  * for details. 
  *
- * $Id: tmr.h,v 1.2 2010/11/07 14:04:59 maralvira Exp $
+ * $Id: tmr.h,v 1.3 2010/11/07 14:16:28 maralvira Exp $
  */
 
 #include "utils.h"
@@ -62,7 +62,7 @@
 /* Timer 0 registers */
 #define TMR0_COMP1   ((volatile uint16_t *) (TMR0_BASE + TMR_REGOFF_COMP1))
 #define TMR0_COMP_UP TMR0_COMP1
-#define TMR0_COMP2   (TMR0_BASE + TMR_REGOFF_COMP2)
+#define TMR0_COMP2   ((volatile uint16_t *) (TMR0_BASE + TMR_REGOFF_COMP2))
 #define TMR0_COMP_DOWN TMR0_COMP2
 #define TMR0_CAPT    ((volatile uint16_t *) (TMR0_BASE + TMR_REGOFF_CAPT))
 #define TMR0_LOAD    ((volatile uint16_t *) (TMR0_BASE + TMR_REGOFF_LOAD))