diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index d4566f8e23..09cfc50ecd 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -16,6 +16,10 @@
    The license applies to all entries newer than 2009-04-28.
 */
 
+2011-06-18 22:55 UTC-0800 Pritpal Bedi (bedipritpal@hotmail.com)
+  * contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
+    ! Fixed: a function call dependent on Qt v4.6 +.
+
 2011-06-18 13:53 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
   * package/winuni/RELNOTES
   * NEWS
diff --git a/harbour/contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp b/harbour/contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
index feb3072fc7..c62b2936ae 100644
--- a/harbour/contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
+++ b/harbour/contrib/hbqt/qtgui/hbqt_hbqplaintextedit.cpp
@@ -2104,6 +2104,7 @@ void HBQPlainTextEdit::hbUpdateHorzRuler( const QRect & rect, int dy )
 
 void HBQPlainTextEdit::hbHighlightPage()
 {
+#if QT_VERSION >= 0x040600
    if( highlighter )
    {
       int iLastVisBlockNum = lastVisibleBlockNumber();
@@ -2120,6 +2121,7 @@ void HBQPlainTextEdit::hbHighlightPage()
          }
       }
    }
+#endif
 }
 
 /*----------------------------------------------------------------------*/