diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index a3cf0ae5fb..0f895644c2 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -16,9 +16,14 @@
    The license applies to all entries newer than 2009-04-28.
 */
 
+2010-06-23 12:01 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
+  * include/hbdefs.h
+    + Added new abstract type: HB_USIZ
+      (temporary yet, may be needed in signedness transition)
+
 2010-06-23 11:59 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
   * include/hbdefs.h
-    + Added new abstract type: HB_RECNO.
+    + Added new abstract type: HB_RECNO
       To replace HB_ULONG usage where it means record number.
 
   * src/vm/hvm.c
diff --git a/harbour/include/hbdefs.h b/harbour/include/hbdefs.h
index cd827da942..c9c70457cf 100644
--- a/harbour/include/hbdefs.h
+++ b/harbour/include/hbdefs.h
@@ -250,9 +250,11 @@ typedef unsigned int        HB_UINT;
 #if defined( HB_OS_WIN_64 )
    typedef HB_ULONGLONG        HB_SIZE;           /* TODO: Currently 'unsigned', to be changed 'signed' */
    typedef HB_LONGLONG         HB_ISIZ;           /* TODO: Change to HB_SIZE, after HB_SIZE has been converted to signed type. TEMPORARY type. */
+   typedef HB_ULONGLONG        HB_USIZ;           /* TEMPORARY type. Do not use it. */
 #else
    typedef HB_ULONG            HB_SIZE;           /* TODO: Currently 'unsigned', to be changed 'signed' */
    typedef HB_LONG             HB_ISIZ;           /* TODO: Change to HB_SIZE, after HB_SIZE has been converted to signed type. TEMPORARY type. */
+   typedef HB_ULONG            HB_USIZ;           /* TEMPORARY type. Do not use it. */
 #endif
 
 /* Harbour abstract types */