diff --git a/frame/panel/mainpanelcontrol.cpp b/frame/panel/mainpanelcontrol.cpp
index 2432a1178..bc96dcbfa 100755
--- a/frame/panel/mainpanelcontrol.cpp
+++ b/frame/panel/mainpanelcontrol.cpp
@@ -578,7 +578,7 @@ bool MainPanelControl::eventFilter(QObject *watched, QEvent *event)
             m_appAreaSonWidget->adjustSize();
             resizeDockIcon();
             break;
-        case QEvent::Paint:
+        case QEvent::Resize:
             resizeDockIcon();
             break;
         default: