diff --git a/part.cpp b/part.cpp
--- a/part.cpp
+++ b/part.cpp
@@ -549,6 +549,7 @@
 
     connect( m_findBar, SIGNAL(forwardKeyPressEvent(QKeyEvent*)), m_pageView, SLOT(externalKeyPressEvent(QKeyEvent*)));
     connect( m_findBar, SIGNAL(onCloseButtonPressed()), m_pageView, SLOT(setFocus()));
+    connect( m_sidebar, SIGNAL(onSideBarCollapsed()), m_pageView, SLOT(setFocus()));
     connect( m_miniBar, SIGNAL(forwardKeyPressEvent(QKeyEvent*)), m_pageView, SLOT(externalKeyPressEvent(QKeyEvent*)));
     connect( m_pageView.data(), &PageView::escPressed, m_findBar, &FindBar::resetSearch );
     connect( m_pageNumberTool, SIGNAL(forwardKeyPressEvent(QKeyEvent*)), m_pageView, SLOT(externalKeyPressEvent(QKeyEvent*)));
diff --git a/ui/sidebar.h b/ui/sidebar.h
--- a/ui/sidebar.h
+++ b/ui/sidebar.h
@@ -48,6 +48,7 @@
 
     Q_SIGNALS:
         void urlsDropped( const QList<QUrl>& urls );
+        void onSideBarCollapsed();
 
     protected:
         void dragEnterEvent( QDragEnterEvent* event ) override;
diff --git a/ui/sidebar.cpp b/ui/sidebar.cpp
--- a/ui/sidebar.cpp
+++ b/ui/sidebar.cpp
@@ -725,6 +725,7 @@
         {
             d->list->selectionModel()->clear();
             setCollapsed( true );
+            emit onSideBarCollapsed();
         }
         else
         {