diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog
index 7b8f9611b3..12c55dbfc0 100644
--- a/cpukit/ChangeLog
+++ b/cpukit/ChangeLog
@@ -1,3 +1,7 @@
+2005-01-18	Ralf Corsepius <ralf.corsepius@rtems.org>
+
+	* sapi/include/rtems/io.h : size_t device_name_length.
+
 2005-01-18	Ralf Corsepius <ralf.corsepius@rtems.org>
 
 	* sapi/include/rtems/fatal.h, score/include/rtems/score/interr.h:
diff --git a/cpukit/sapi/include/rtems/io.h b/cpukit/sapi/include/rtems/io.h
index 30ba5f7644..e2b12ac701 100644
--- a/cpukit/sapi/include/rtems/io.h
+++ b/cpukit/sapi/include/rtems/io.h
@@ -74,7 +74,7 @@ typedef struct {
 
 typedef struct {
     char                     *device_name;
-    uint32_t                  device_name_length;
+    size_t                    device_name_length;
     rtems_device_major_number major;
     rtems_device_minor_number minor;
 } rtems_driver_name_t;