diff --git a/src/application/appwindow.cpp b/src/application/appwindow.cpp
index 777231a6..ce6677ca 100644
--- a/src/application/appwindow.cpp
+++ b/src/application/appwindow.cpp
@@ -46,7 +46,7 @@ AppWindow::AppWindow(TaskRunner& taskRunner, SettingsManager& settingsManager)
 {
     set_size_request(500, 500);
 
-    loadWindowState();
+    loadPreviousSessionState();
     loadWidgets();
     addActions();
     setupWidgets();
@@ -58,7 +58,7 @@ AppWindow::AppWindow(TaskRunner& taskRunner, SettingsManager& settingsManager)
 
 AppWindow::~AppWindow()
 {
-    saveWindowState();
+    saveCurrentSessionState();
 }
 
 void AppWindow::setDocument(std::unique_ptr<Document> document)
@@ -105,7 +105,7 @@ bool AppWindow::on_delete_event(GdkEventAny*)
     return false;
 }
 
-void AppWindow::loadWindowState()
+void AppWindow::loadPreviousSessionState()
 {
     m_windowState = m_settingsManager.loadWindowState();
 
@@ -113,11 +113,14 @@ void AppWindow::loadWindowState()
 
     if (m_windowState.isMaximized)
         maximize();
+
+    m_zoomLevel.zoomLevelIndex().set_value(m_settingsManager.loadZoomLevel());
 }
 
-void AppWindow::saveWindowState()
+void AppWindow::saveCurrentSessionState()
 {
     m_settingsManager.saveWindowState(m_windowState);
+    m_settingsManager.saveZoomLevel(m_zoomLevel.zoomLevelIndex().get_value());
 }
 
 void AppWindow::loadWidgets()
diff --git a/src/application/appwindow.hpp b/src/application/appwindow.hpp
index 8e06a9d1..542758d4 100644
--- a/src/application/appwindow.hpp
+++ b/src/application/appwindow.hpp
@@ -107,8 +107,8 @@ class AppWindow : public Gtk::ApplicationWindow {
     Glib::RefPtr<Gio::SimpleAction> m_closeWindowAction;
 
     // Functions
-    void loadWindowState();
-    void saveWindowState();
+    void loadPreviousSessionState();
+    void saveCurrentSessionState();
     void loadWidgets();
     void addActions();
     void setupWidgets();
diff --git a/src/application/settingsmanager.cpp b/src/application/settingsmanager.cpp
index 34a05c22..43a78298 100644
--- a/src/application/settingsmanager.cpp
+++ b/src/application/settingsmanager.cpp
@@ -34,6 +34,16 @@ namespace window_state {
     static const WindowState defaultWindowState = {800, 600, false};
 }
 
+namespace misc {
+    static const std::string groupName = "misc";
+
+    static const struct {
+        std::string zoomLevel = "zoom-level";
+    } keys;
+
+    static const unsigned int defaultZoomLevel = 0;
+}
+
 SettingsManager::SettingsManager()
 {
     loadConfigFile();
@@ -74,6 +84,28 @@ void SettingsManager::saveWindowState(const WindowState& windowState)
     }
 }
 
+unsigned int SettingsManager::loadZoomLevel()
+{
+    try {
+        return static_cast<unsigned>(m_keyFile.get_integer(misc::groupName, misc::keys.zoomLevel));
+    }
+    catch (const Glib::Error& e) {
+        Logger::logWarning("Error while loading zoom level: " + e.what());
+
+        return misc::defaultZoomLevel;
+    }
+}
+
+void SettingsManager::saveZoomLevel(unsigned int zoomLevel)
+{
+    try {
+        m_keyFile.set_integer(misc::groupName, misc::keys.zoomLevel, static_cast<int>(zoomLevel));
+    }
+    catch (const Glib::Error& e) {
+        Logger::logWarning("Error while writing zoom level: " + e.what());
+    }
+}
+
 void SettingsManager::loadConfigFile()
 {
     try {
diff --git a/src/application/settingsmanager.hpp b/src/application/settingsmanager.hpp
index 1c47e64f..012f6aac 100644
--- a/src/application/settingsmanager.hpp
+++ b/src/application/settingsmanager.hpp
@@ -35,6 +35,9 @@ class SettingsManager {
     WindowState loadWindowState();
     void saveWindowState(const WindowState& windowState);
 
+    unsigned int loadZoomLevel();
+    void saveZoomLevel(unsigned int zoomLevel);
+
 private:
     Glib::KeyFile m_keyFile;