diff --git a/src/generic/listctrl.cpp b/src/generic/listctrl.cpp
index 6f51132d16..3ca9aa51ac 100644
--- a/src/generic/listctrl.cpp
+++ b/src/generic/listctrl.cpp
@@ -4058,8 +4058,6 @@ void wxListMainWindow::EnsureVisible( long index )
     // been added and its position is not known yet
     if ( m_dirty )
     {
-        m_dirty = FALSE;
-
         RecalculatePositions(TRUE /* no refresh */);
     }