diff --git a/src/manager.cpp b/src/manager.cpp
index 5184239..76c990e 100644
--- a/src/manager.cpp
+++ b/src/manager.cpp
@@ -185,6 +185,12 @@ void Manager::translated(const TaskPtr &task)
   representer_->represent(task);
 }
 
+void Manager::applySettings(const Settings &settings)
+{
+  updateSettings(settings);
+  settings.save();
+}
+
 void Manager::fatalError(const QString &text)
 {
   tray_->blockActions(false);
@@ -216,7 +222,7 @@ void Manager::showLast()
 
 void Manager::settings()
 {
-  SettingsEditor editor(*updater_);
+  SettingsEditor editor(*this, *updater_);
 
   Settings settings;
   settings.load();
diff --git a/src/manager.h b/src/manager.h
index 2ad58d2..df116e6 100644
--- a/src/manager.h
+++ b/src/manager.h
@@ -16,6 +16,7 @@ public:
   void corrected(const TaskPtr &task);
   void translated(const TaskPtr &task);
 
+  void applySettings(const Settings &settings);
   void fatalError(const QString &text);
   void capture();
   void repeatCapture();
diff --git a/src/settings.cpp b/src/settings.cpp
index ca364ae..f2336e3 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -93,7 +93,7 @@ void cleanupOutdated(QSettings& settings)
 
 }  // namespace
 
-Settings::Settings()
+void Settings::save() const
 {
   const auto baseDataPath =
       QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
diff --git a/src/settings.h b/src/settings.h
index 9cb3d5f..a67345c 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -21,9 +21,7 @@ enum class AutoUpdate { Disabled, Daily, Weekly, Monthly };
 class Settings
 {
 public:
-  Settings();
-
-  void save();
+  void save() const;
   void load();
 
   QString captureHotkey{"Ctrl+Alt+Z"};
diff --git a/src/settingseditor.cpp b/src/settingseditor.cpp
index 7d0160e..f38af38 100644
--- a/src/settingseditor.cpp
+++ b/src/settingseditor.cpp
@@ -1,5 +1,7 @@
 #include "settingseditor.h"
+#include "debug.h"
 #include "languagecodes.h"
+#include "manager.h"
 #include "ui_settingseditor.h"
 #include "updates.h"
 #include "widgetstate.h"
@@ -9,12 +11,16 @@
 #include <QSortFilterProxyModel>
 #include <QStringListModel>
 
-SettingsEditor::SettingsEditor(update::Loader &updater)
+SettingsEditor::SettingsEditor(Manager &manager, update::Loader &updater)
   : ui(new Ui::SettingsEditor)
+  , manager_(manager)
   , updater_(updater)
 {
   ui->setupUi(this);
 
+  connect(ui->buttonBox, &QDialogButtonBox::clicked,  //
+          this, &SettingsEditor::handleButtonBoxClicked);
+
   {
     auto model = new QStringListModel(this);
     model->setStringList({tr("General"), tr("Recognition"), tr("Correction"),
@@ -248,3 +254,22 @@ void SettingsEditor::adjustUpdatesView()
   updateTesseractLanguages();
   updateTranslators();
 }
+
+void SettingsEditor::handleButtonBoxClicked(QAbstractButton *button)
+{
+  if (!button)
+    return;
+
+  if (button == ui->buttonBox->button(QDialogButtonBox::Ok)) {
+    accept();
+    return;
+  }
+  if (button == ui->buttonBox->button(QDialogButtonBox::Cancel)) {
+    reject();
+    return;
+  }
+  if (button == ui->buttonBox->button(QDialogButtonBox::Apply)) {
+    manager_.applySettings(settings());
+    return;
+  }
+}
diff --git a/src/settingseditor.h b/src/settingseditor.h
index 267320f..0da6f7e 100644
--- a/src/settingseditor.h
+++ b/src/settingseditor.h
@@ -8,13 +8,14 @@ namespace Ui
 {
 class SettingsEditor;
 }
+class QAbstractButton;
 
 class SettingsEditor : public QDialog
 {
   Q_OBJECT
 
 public:
-  explicit SettingsEditor(update::Loader &updater);
+  SettingsEditor(Manager &manager, update::Loader &updater);
   ~SettingsEditor();
 
   Settings settings() const;
@@ -26,8 +27,10 @@ private:
   void updateTranslators();
   void updateTranslationLanguages();
   void adjustUpdatesView();
+  void handleButtonBoxClicked(QAbstractButton *button);
 
   Ui::SettingsEditor *ui;
+  Manager &manager_;
   update::Loader &updater_;
   QStringList enabledTranslators_;
 };
diff --git a/src/settingseditor.ui b/src/settingseditor.ui
index 76dadbe..bda1222 100644
--- a/src/settingseditor.ui
+++ b/src/settingseditor.ui
@@ -20,7 +20,7 @@
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+      <set>QDialogButtonBox::Apply|QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
      </property>
     </widget>
    </item>
@@ -541,38 +541,5 @@
   <tabstop>proxySaveCheck</tabstop>
  </tabstops>
  <resources/>
- <connections>
-  <connection>
-   <sender>buttonBox</sender>
-   <signal>accepted()</signal>
-   <receiver>SettingsEditor</receiver>
-   <slot>accept()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>256</x>
-     <y>447</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>157</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>buttonBox</sender>
-   <signal>rejected()</signal>
-   <receiver>SettingsEditor</receiver>
-   <slot>reject()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>324</x>
-     <y>447</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>286</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
- </connections>
+ <connections/>
 </ui>