diff --git a/frontend/ui/uimanager.lua b/frontend/ui/uimanager.lua
index e1b1f7605..d76d59263 100644
--- a/frontend/ui/uimanager.lua
+++ b/frontend/ui/uimanager.lua
@@ -58,7 +58,8 @@ function UIManager:init()
         end,
     }
     self.poweroff_action = function()
-        self._entered_poweroff_stage = true;
+        self._entered_poweroff_stage = true
+        Device.orig_rotation_mode = Device.screen:getRotationMode()
         Screen:setRotationMode(Screen.ORIENTATION_PORTRAIT)
         require("ui/screensaver"):show("poweroff", _("Powered off"))
         if Device:needsScreenRefreshAfterResume() then
@@ -74,7 +75,8 @@ function UIManager:init()
         end)
     end
     self.reboot_action = function()
-        self._entered_poweroff_stage = true;
+        self._entered_poweroff_stage = true
+        Device.orig_rotation_mode = Device.screen:getRotationMode()
         Screen:setRotationMode(Screen.ORIENTATION_PORTRAIT)
         require("ui/screensaver"):show("reboot", _("Rebooting…"))
         if Device:needsScreenRefreshAfterResume() then
diff --git a/reader.lua b/reader.lua
index 93f170060..fb7e046c1 100755
--- a/reader.lua
+++ b/reader.lua
@@ -339,8 +339,8 @@ local function exitReader()
     -- Save any device settings before closing G_reader_settings
     Device:saveSettings()
 
-    --  Save current rotation to have it for next startup
-    G_reader_settings:saveSetting("closed_rotation_mode", Device.screen:getRotationMode())
+    -- Save current rotation (or the original rotation if ScreenSaver temporarily modified it) to remember it for next startup
+    G_reader_settings:saveSetting("closed_rotation_mode", Device.orig_rotation_mode or Device.screen:getRotationMode())
 
     G_reader_settings:close()