diff --git a/src/lib/sidebar/bookmarkssidebar.h b/src/lib/sidebar/bookmarkssidebar.h
--- a/src/lib/sidebar/bookmarkssidebar.h
+++ b/src/lib/sidebar/bookmarkssidebar.h
@@ -37,6 +37,7 @@
 
 public:
     explicit BookmarksSidebar(BrowserWindow* window, QWidget* parent = 0);
+    void showEvent(QShowEvent* event) override;
     ~BookmarksSidebar();
 
 private Q_SLOTS:
diff --git a/src/lib/sidebar/bookmarkssidebar.cpp b/src/lib/sidebar/bookmarkssidebar.cpp
--- a/src/lib/sidebar/bookmarkssidebar.cpp
+++ b/src/lib/sidebar/bookmarkssidebar.cpp
@@ -42,6 +42,12 @@
     connect(ui->search, &QLineEdit::textChanged, ui->tree, &BookmarksTreeView::search);
 }
 
+void BookmarksSidebar::showEvent(QShowEvent* event)
+{
+    QWidget::showEvent(event);
+    ui->search->setFocus();
+}
+
 BookmarksSidebar::~BookmarksSidebar()
 {
     delete ui;
diff --git a/src/lib/sidebar/historysidebar.h b/src/lib/sidebar/historysidebar.h
--- a/src/lib/sidebar/historysidebar.h
+++ b/src/lib/sidebar/historysidebar.h
@@ -36,6 +36,7 @@
 
 public:
     explicit HistorySideBar(BrowserWindow* window, QWidget* parent = 0);
+    void showEvent(QShowEvent* event) override;
     ~HistorySideBar();
 
 private Q_SLOTS:
diff --git a/src/lib/sidebar/historysidebar.cpp b/src/lib/sidebar/historysidebar.cpp
--- a/src/lib/sidebar/historysidebar.cpp
+++ b/src/lib/sidebar/historysidebar.cpp
@@ -40,6 +40,12 @@
     connect(ui->search, &QLineEdit::textEdited, ui->historyTree, &HistoryTreeView::search);
 }
 
+void HistorySideBar::showEvent(QShowEvent* event)
+{
+    QWidget::showEvent(event);
+    ui->search->setFocus();
+}
+
 void HistorySideBar::urlActivated(const QUrl &url)
 {
     openUrl(url);