diff --git a/YACReader/goto_flow_toolbar.cpp b/YACReader/goto_flow_toolbar.cpp
index 41ea3253..bf2b1e9f 100644
--- a/YACReader/goto_flow_toolbar.cpp
+++ b/YACReader/goto_flow_toolbar.cpp
@@ -32,8 +32,8 @@ GoToFlowToolBar::GoToFlowToolBar(QWidget *parent)
             "  border-radius: 1px;"
             "}");
 
-    connect(slider, &QSlider::valueChanged, this, [&](int v) { emit setCenter(v); });
-    connect(slider, &QSlider::valueChanged, this, [=](int v) { emit goToPage(v); });
+    connect(slider, &QSlider::valueChanged, this, &GoToFlowToolBar::setCenter);
+    connect(slider, &QSlider::valueChanged, this, &GoToFlowToolBar::setPage);
 
     pageHint = new QLabel("<b>" + tr("Page : ") + "</b>", this);
     v = new QIntValidator(this);