diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index bc2f090e3c..d6b1adbcbb 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2004-03-23	Ralf Corsepius <ralf_corsepius@rtems.org>
+
+	* score/include/rtems/system.h: include <stdint.h>.
+
 2004-03-23	Ralf Corsepius <ralf_corsepius@rtems.org>
 
 	PR/589 rtems
diff --git a/cpukit/score/include/rtems/system.h b/cpukit/score/include/rtems/system.h
index b6a8f95253..8f9d6f3a1c 100644
--- a/cpukit/score/include/rtems/system.h
+++ b/cpukit/score/include/rtems/system.h
@@ -143,12 +143,13 @@ typedef void * proc_ptr;
 #define FALSE     (0)
 #endif
 
+#include <stdint.h>
 #include <rtems/score/cpu.h>        /* processor specific information */
 
 #define stringify( _x ) # _x
 
 #define RTEMS_offsetof(type, field) \
-	((unsigned32) &(((type *) 0)->field))
+	((uint32_t  ) &(((type *) 0)->field))
 
 /*
  *  The following is the extern for the RTEMS version string.