diff --git a/lector/__main__.py b/lector/__main__.py
index cd0b196..4e399b5 100755
--- a/lector/__main__.py
+++ b/lector/__main__.py
@@ -71,6 +71,7 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
         self.comic_profile = {}
         self.database_path = None
         self.active_library_filters = []
+        self.active_bookmark_docks = []
 
         # Initialize application
         Settings(self).read_settings()  # This should populate all variables that need
@@ -86,7 +87,6 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
         # Widget declarations
         self.libraryFilterMenu = QtWidgets.QMenu()
         self.statusMessage = QtWidgets.QLabel()
-        self.distractionFreeToggle = QtWidgets.QToolButton()
 
         # Reference variables
         self.alignment_dict = {
@@ -389,7 +389,7 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
             return
 
         self.settingsDialog.okButton.setEnabled(False)
-        self.reloadLibrary.setEnabled(False)
+        self.libraryToolBar.reloadLibraryButton.setEnabled(False)
 
         self.settings['last_open_path'] = os.path.dirname(opened_files[0][0])
         self.statusBar.setVisible(True)
@@ -946,6 +946,8 @@ class MainUI(QtWidgets.QMainWindow, mainwindow.Ui_MainWindow):
         self.settingsDialog.hide()
         self.definitionDialog.hide()
         self.temp_dir.remove()
+        for i in self.active_bookmark_docks:
+            i.setVisible(False)
 
         self.settings['last_open_books'] = []
         if self.tabWidget.count() > 1:
diff --git a/lector/sorter.py b/lector/sorter.py
index ee4b75c..b5e5bca 100644
--- a/lector/sorter.py
+++ b/lector/sorter.py
@@ -175,7 +175,6 @@ class BookSorter:
         book_ref.read_book()
         if book_ref.book:
 
-
             this_book = {}
             this_book[file_md5] = {
                 'hash': file_md5,
diff --git a/lector/widgets.py b/lector/widgets.py
index b4ac6cb..7775a5b 100644
--- a/lector/widgets.py
+++ b/lector/widgets.py
@@ -1038,9 +1038,11 @@ class PliantDockWidget(QtWidgets.QDockWidget):
 
         self.setGeometry(dock_x, dock_y, dock_width, dock_height)
         self.main_window.bookToolBar.bookmarkButton.setChecked(True)
+        self.main_window.active_bookmark_docks.append(self)
 
     def hideEvent(self, event):
         self.main_window.bookToolBar.bookmarkButton.setChecked(False)
+        self.main_window.active_bookmark_docks.remove(self)
 
 
 class PliantQGraphicsScene(QtWidgets.QGraphicsScene):