diff --git a/src/msw/tooltip.cpp b/src/msw/tooltip.cpp
index af75de2935..ebf8535b2d 100644
--- a/src/msw/tooltip.cpp
+++ b/src/msw/tooltip.cpp
@@ -453,8 +453,10 @@ void wxToolTip::SetTip(const wxString& tip)
     {
         // update the tip text shown by the control
         wxToolInfo ti(GetHwndOf(m_window));
-        ti.lpszText = (wxChar *)m_text.c_str();
+        ti.lpszText = (wxChar *)wxT("");
+        (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti);
 
+        ti.lpszText = (wxChar *)m_text.c_str();
         (void)SendTooltipMessage(GetToolTipCtrl(), TTM_UPDATETIPTEXT, &ti);
     }
 }