diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 03dab8d5d7..18818567e3 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -16,6 +16,10 @@
    The license applies to all entries newer than 2009-04-28.
 */
 
+2012-10-02 14:13 UTC+0200 Viktor Szakats (harbour syenar.net)
+  * src/rtl/gtapiu.c
+    ! synced hb_gtWVis() definition with declaration
+
 2012-10-02 13:52 UTC+0200 Viktor Szakats (harbour syenar.net)
   * tests/adirtest.prg
   * tests/ainstest.prg
diff --git a/harbour/src/rtl/gtapiu.c b/harbour/src/rtl/gtapiu.c
index 4461d2b381..36f3992613 100644
--- a/harbour/src/rtl/gtapiu.c
+++ b/harbour/src/rtl/gtapiu.c
@@ -96,7 +96,7 @@ void hb_gtWPos( HB_GT_WND * wnd, HB_GT_RECT * rect )
    HB_SYMBOL_UNUSED( rect );
 }
 
-HB_BOOL hb_gtWVis( HB_GT_WND * wnd, int iStatus ) /* USHORT in CA-Cl*pper [vszakats] */
+HB_BOOL hb_gtWVis( HB_GT_WND * wnd, HB_USHORT iStatus ) /* USHORT in CA-Cl*pper [vszakats] */
 {
    /* TODO: */