diff --git a/src/calibre/gui2/viewer/toolbars.py b/src/calibre/gui2/viewer/toolbars.py
index 597008341a..7d778cfa55 100644
--- a/src/calibre/gui2/viewer/toolbars.py
+++ b/src/calibre/gui2/viewer/toolbars.py
@@ -232,6 +232,10 @@ class ActionsToolBar(ToolBar):
     def update_visibility(self):
         self.setVisible(bool(get_session_pref('show_actions_toolbar', default=False)))
 
+    @property
+    def visible_in_fullscreen(self):
+        return bool(get_session_pref('show_actions_toolbar_in_fullscreen', default=False))
+
     def customize(self):
         d = ConfigureToolBar(parent=self.parent())
         if d.exec_() == d.Accepted:
diff --git a/src/calibre/gui2/viewer/ui.py b/src/calibre/gui2/viewer/ui.py
index 2fc4d8445b..179a67f4cb 100644
--- a/src/calibre/gui2/viewer/ui.py
+++ b/src/calibre/gui2/viewer/ui.py
@@ -210,7 +210,8 @@ class EbookViewer(MainWindow):
     def set_full_screen(self, on):
         if on:
             self.maximized_at_last_fullscreen = self.isMaximized()
-            self.actions_toolbar.setVisible(False)
+            if not self.actions_toolbar.visible_in_fullscreen:
+                self.actions_toolbar.setVisible(False)
             self.showFullScreen()
         else:
             self.actions_toolbar.update_visibility()
diff --git a/src/pyj/read_book/prefs/misc.pyj b/src/pyj/read_book/prefs/misc.pyj
index 610897561d..f858a54d69 100644
--- a/src/pyj/read_book/prefs/misc.pyj
+++ b/src/pyj/read_book/prefs/misc.pyj
@@ -17,6 +17,7 @@ DEFAULTS = {
     'remember_window_geometry': False,
     'remember_last_read': True,
     'show_actions_toolbar': False,
+    'show_actions_toolbar_in_fullscreen': False,
     'save_annotations_in_ebook': True,
     'singleinstance': False,
 }
@@ -50,6 +51,7 @@ def create_misc_panel(container, apply_func, cancel_func):
     container.lastChild.append(E.span('\xa0'))
     container.lastChild.append(
         create_button(_('Customize toolbar'), action=ui_operations.customize_toolbar))
+    container.append(cb('show_actions_toolbar_in_fullscreen', _('Keep the toolbar in full screen mode (needs restart)')))
     container.append(cb('remember_last_read', _('Remember current page when quitting')))
     container.append(cb('save_annotations_in_ebook', _('Keep a copy of annotations/bookmarks in the e-book file, for easy sharing')))
     container.append(cb('singleinstance', _('Allow only a single instance of the viewer (needs restart)')))