diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 830af6c2e4..40fc135e3b 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,11 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2009-06-26 11:28 UTC+0200 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
+  * harbour/include/hbapigt.h
+  * harbour/source/rtl/gtapi.c
+    ! added missing const to last parameter of hb_gtRest()
+
 2009-06-26 11:13 UTC+0200 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
   * harbour/source/rtl/dates.c
     ! fixed CTOD() to be CA-Cl*pper compatible in decoding dates like:
diff --git a/harbour/include/hbapigt.h b/harbour/include/hbapigt.h
index f238e16e10..4fec138c12 100644
--- a/harbour/include/hbapigt.h
+++ b/harbour/include/hbapigt.h
@@ -197,7 +197,7 @@ extern HB_EXPORT int        hb_gtReadKey( int iEventMask );
 extern HB_EXPORT HB_ERRCODE hb_gtRectSize( int iTop, int iLeft, int iBottom, int iRight, ULONG * puiBuffSize );
 extern HB_EXPORT HB_ERRCODE hb_gtRepChar( USHORT uiRow, USHORT uiCol, BYTE byChar, USHORT uiCount );
 extern HB_EXPORT HB_ERRCODE hb_gtSave( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, void * pScrBuff );
-extern HB_EXPORT HB_ERRCODE hb_gtRest( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, void * pScrBuff );
+extern HB_EXPORT HB_ERRCODE hb_gtRest( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, const void * pScrBuff );
 extern HB_EXPORT HB_ERRCODE hb_gtGetChar( USHORT uiRow, USHORT uiCol, BYTE * pbColor, BYTE * pbAttr, USHORT * pusChar );
 extern HB_EXPORT HB_ERRCODE hb_gtPutChar( USHORT uiRow, USHORT uiCol, BYTE bColor, BYTE bAttr, USHORT usChar );
 extern HB_EXPORT HB_ERRCODE hb_gtBeginWrite( void );
diff --git a/harbour/source/rtl/gtapi.c b/harbour/source/rtl/gtapi.c
index 43b854e3e8..a04acf14d9 100644
--- a/harbour/source/rtl/gtapi.c
+++ b/harbour/source/rtl/gtapi.c
@@ -621,7 +621,7 @@ HB_ERRCODE hb_gtSave( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRig
    return HB_FAILURE;
 }
 
-HB_ERRCODE hb_gtRest( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, void * pScrBuff )
+HB_ERRCODE hb_gtRest( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, const void * pScrBuff )
 {
    PHB_GT pGT;