diff --git a/src/widgets/darrowrectangle.cpp b/src/widgets/darrowrectangle.cpp
index 02c4917f6..dc340f528 100644
--- a/src/widgets/darrowrectangle.cpp
+++ b/src/widgets/darrowrectangle.cpp
@@ -800,7 +800,7 @@ QPainterPath DArrowRectanglePrivate::getLeftCornerPath()
     border.arcTo(bottomRight.x() - 2 * radius, bottomRight.y() - 2 * radius, 2 * radius, 2 * radius, 0, -90);
 
     if (radiusArrowStyleEnable) {
-        border.lineTo(bottomLeft.x() + arrowWidth, bottomLeft.y());
+        border.lineTo(bottomLeft.x() + radius, bottomLeft.y());
         border.arcTo(bottomLeft.x(), bottomLeft.y() - widgetRadius, widgetRadius, widgetRadius, -90, -90);
         border.lineTo(bottomLeft.x(), cornerPoint.y() + m_arrowWidth / 2 + radius / 2);
 
@@ -818,9 +818,11 @@ QPainterPath DArrowRectanglePrivate::getLeftCornerPath()
 
         border.lineTo(topLeft.x(), cornerPoint.y() - m_arrowWidth / 2 - radius / 2);
         border.arcTo(topLeft.x(), topLeft.y(), widgetRadius, widgetRadius, -180, -90);
+
+        border.lineTo(topLeft.x() + radius, topLeft.y());
     } else {
         if (leftRightRadius) {
-            border.lineTo(bottomLeft.x() + arrowWidth, bottomLeft.y());
+            border.lineTo(bottomLeft.x() + radius, bottomLeft.y());
             border.arcTo(bottomLeft.x(), bottomLeft.y() - widgetRadius, widgetRadius, widgetRadius, -90, -90);
             border.lineTo(bottomLeft.x(), cornerPoint.y() + m_arrowWidth / 2);
         } else {
@@ -900,6 +902,8 @@ QPainterPath DArrowRectanglePrivate::getRightCornerPath()
 
         border.lineTo(bottomRight.x(), cornerPoint.y() + m_arrowWidth / 2 + radius / 2);
         border.arcTo(bottomRight.x() - widgetRadius, bottomRight.y() - widgetRadius, widgetRadius, widgetRadius, 0, -90);
+
+        border.lineTo(bottomRight.x() - radius, bottomRight.y());
     } else {
         if (leftRightRadius) {
             border.lineTo(topRight.x() - radius, topRight.y());
diff --git a/src/widgets/dlicensedialog.cpp b/src/widgets/dlicensedialog.cpp
index 054321ae6..76c0f11e1 100644
--- a/src/widgets/dlicensedialog.cpp
+++ b/src/widgets/dlicensedialog.cpp
@@ -56,7 +56,7 @@ DLicenseDialogPrivate::DLicenseDialogPrivate(DLicenseDialog *qq)
     : DAbstractDialogPrivate(qq)
     , backwardBtn(new DIconButton(QStyle::SP_ArrowBack))
     , listView(new DListView)
-    , listModel(new QStandardItemModel)
+    , listModel(new QStandardItemModel(listView))
     , stackedLayout(new QStackedLayout)
     , componentNameLabel(new QLabel)
     , componentVersionLabel(new QLabel)
diff --git a/src/widgets/private/startupnotifications/startupnotificationmonitor.cpp b/src/widgets/private/startupnotifications/startupnotificationmonitor.cpp
index 241b8966c..2b5829193 100644
--- a/src/widgets/private/startupnotifications/startupnotificationmonitor.cpp
+++ b/src/widgets/private/startupnotifications/startupnotificationmonitor.cpp
@@ -77,11 +77,22 @@ StartupNotificationMonitor::StartupNotificationMonitor() :
         return;
 
     int screen = 0;
-
     xcb_screen_t *s = xcb_aux_get_screen (QX11Info::connection(), screen);
-    const uint32_t select_input_val[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
-    xcb_change_window_attributes (QX11Info::connection(), s->root, XCB_CW_EVENT_MASK,
-                                  select_input_val);
+    xcb_get_window_attributes_cookie_t attr_cookie = xcb_get_window_attributes (QX11Info::connection(), s->root);
+    xcb_get_window_attributes_reply_t *attr_reply = xcb_get_window_attributes_reply (QX11Info::connection(), attr_cookie, NULL);
+
+    if (attr_reply) {
+        uint32_t old_event_mask = attr_reply->your_event_mask;
+        if (!(old_event_mask & XCB_EVENT_MASK_PROPERTY_CHANGE)) {
+            const uint32_t select_input_val[] = { XCB_EVENT_MASK_PROPERTY_CHANGE | old_event_mask };
+
+            xcb_change_window_attributes (QX11Info::connection(), s->root, XCB_CW_EVENT_MASK,
+                                          select_input_val);
+        }
+        free(attr_reply);
+    } else {
+        qWarning() << "can not get xcb window attributes reply";
+    }
 
     display = sn_xcb_display_new (QX11Info::connection(), NULL, NULL);