diff --git a/src/laybasic/laybasic/layViewObject.cc b/src/laybasic/laybasic/layViewObject.cc
index 9effcf08c..db61cfc3b 100644
--- a/src/laybasic/laybasic/layViewObject.cc
+++ b/src/laybasic/laybasic/layViewObject.cc
@@ -684,7 +684,11 @@ END_PROTECTED
 }
 
 void 
+#if QT_VERSION >= 0x60000
+ViewObjectWidget::enterEvent (QEnterEvent * /*event*/)
+#else
 ViewObjectWidget::enterEvent (QEvent * /*event*/)
+#endif
 {
 BEGIN_PROTECTED  
   m_mouse_inside = true;
diff --git a/src/laybasic/laybasic/layViewObject.h b/src/laybasic/laybasic/layViewObject.h
index 0e8b4565a..04a2cccfc 100644
--- a/src/laybasic/laybasic/layViewObject.h
+++ b/src/laybasic/laybasic/layViewObject.h
@@ -1029,7 +1029,11 @@ protected:
   /**
    *  @brief Qt mouse enter event handler
    */
+#if QT_VERSION >= 0x60000
+  void enterEvent (QEnterEvent *e);
+#else
   void enterEvent (QEvent *e);
+#endif
 
   /**
    *  @brief Qt mouse button press event handler