diff --git a/cpukit/score/ChangeLog b/cpukit/score/ChangeLog
index 11189d231a..3408477e7b 100644
--- a/cpukit/score/ChangeLog
+++ b/cpukit/score/ChangeLog
@@ -1,3 +1,7 @@
+2002-03-04	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
+
+	* include/rtems/system.h: Add __RTEMS_REVISION__.
+
 2002-02-28	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
 
 	* include/rtems/system.h: Add __RTEMS_MAJOR__, __RTEMS_MINOR__.
diff --git a/cpukit/score/include/rtems/system.h b/cpukit/score/include/rtems/system.h
index fc013750ff..97faf8b042 100644
--- a/cpukit/score/include/rtems/system.h
+++ b/cpukit/score/include/rtems/system.h
@@ -22,11 +22,12 @@ extern "C" {
 #endif
 
 /*
- * Major and minor version number of RTEMS.
+ * Major, minor, revision version numbers of RTEMS.
  * Use these macros to test for features in specific releases.
  */
 #define __RTEMS_MAJOR__	4
 #define __RTEMS_MINOR__	6
+#define __RTEMS_REVISION__ 0
 
 /*
  *  The cpu options include file defines all cpu dependent