diff --git a/.gitignore b/.gitignore
index 445b017..5776b83 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 .qt
 build
-Makefile
\ No newline at end of file
+Makefile
+*.patch
+.idea
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 3ce7ccf..d992d4f 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -423,6 +423,12 @@ void MainWindow::setupConnections()
 
     // Also catch resize — visible range changes when the viewport is resized
     m_listView->viewport()->installEventFilter(this);
+
+    // The folder list and tree views consume Ctrl+Left/Ctrl+Right for their own
+    // item navigation, so those keys never reach MainWindow::keyPressEvent.
+    // Filter them here so PrevFolder/NextFolder shortcuts work while a view has focus.
+    m_listView->installEventFilter(this);
+    m_treeView->installEventFilter(this);
 }
 
 bool MainWindow::eventFilter(QObject *obj, QEvent *event)
@@ -430,6 +436,23 @@ bool MainWindow::eventFilter(QObject *obj, QEvent *event)
     if (obj == m_listView->viewport() && event->type() == QEvent::Resize)
         QTimer::singleShot(0, this, &MainWindow::loadVisibleThumbnails);
 
+    if ((obj == m_listView || obj == m_treeView)
+        && event->type() == QEvent::KeyPress
+        && m_stack->currentWidget() == m_browserPage)
+    {
+        const ShortcutManager &sc = ShortcutManager::instance();
+        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+
+        if (sc.matches(keyEvent, ShortcutManager::PrevFolder)) {
+            navigateToPrevFolder();
+            return true;
+        }
+        if (sc.matches(keyEvent, ShortcutManager::NextFolder)) {
+            navigateToNextFolder();
+            return true;
+        }
+    }
+
     return QMainWindow::eventFilter(obj, event);
 }
 
diff --git a/src/shortcutmanager.cpp b/src/shortcutmanager.cpp
index a45111a..eb7ff8d 100644
--- a/src/shortcutmanager.cpp
+++ b/src/shortcutmanager.cpp
@@ -32,8 +32,8 @@ static const ActionInfo kDefaults[ShortcutManager::ActionCount] = {
     {"EditCaption",     QT_TR_NOOP("Edit caption"),                 QKeySequence(Qt::Key_E),        ShortcutManager::CatImageViewer},
     {"ToggleFullscreen",QT_TR_NOOP("Toggle fullscreen"),            QKeySequence(Qt::Key_F11),      ShortcutManager::CatImageViewer},
     {"ActivateEntry",   QT_TR_NOOP("Open folder / image"),          QKeySequence(Qt::Key_Return),   ShortcutManager::CatBrowser},
-    {"PrevFolder",      QT_TR_NOOP("Previous folder"),              QKeySequence(Qt::CTRL | Qt::Key_Left),  ShortcutManager::CatBrowser},
-    {"NextFolder",      QT_TR_NOOP("Next folder"),                  QKeySequence(Qt::CTRL | Qt::Key_Right), ShortcutManager::CatBrowser},
+    {"PrevFolder",      QT_TR_NOOP("Previous folder"),              QKeySequence(Qt::ALT | Qt::Key_Left),  ShortcutManager::CatBrowser},
+    {"NextFolder",      QT_TR_NOOP("Next folder"),                  QKeySequence(Qt::ALT | Qt::Key_Right), ShortcutManager::CatBrowser},
 };
 
 } // namespace