diff --git a/app/src/main/java/me/ranko/autodark/ui/ActivationScopeDialog.kt b/app/src/main/java/me/ranko/autodark/ui/ActivationScopeDialog.kt
index 846114f..4622264 100644
--- a/app/src/main/java/me/ranko/autodark/ui/ActivationScopeDialog.kt
+++ b/app/src/main/java/me/ranko/autodark/ui/ActivationScopeDialog.kt
@@ -1,6 +1,7 @@
 package me.ranko.autodark.ui
 
 import android.app.Dialog
+import android.content.pm.ActivityInfo
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
@@ -19,10 +20,18 @@ class ActivationScopeDialog : BottomSheetDialogFragment() {
         val dialog = BottomSheetDialog(requireContext(), R.style.AppTheme_BottomSheetDialogDayNight)
         dialog.setContentView(R.layout.dialog_activation_scope)
         dialog.setOnShowListener {
+            val activity = requireActivity()
+            val savedOrientation = activity.requestedOrientation
+            activity.requestedOrientation =
+                ActivityInfo.SCREEN_ORIENTATION_LOCKED.or(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT)
+
             val root = dialog.findViewById<View>(R.id.title)!!.parent as View
             val xposedContainer: ViewGroup = root.findViewById(R.id.container)
             managerView = XposedManagerView(requireActivity(), xposedContainer)
-            root.findViewById<MaterialButton>(R.id.button).setOnClickListener { dismiss() }
+            root.findViewById<MaterialButton>(R.id.button).setOnClickListener {
+                dismiss()
+                activity.requestedOrientation = savedOrientation
+            }
 
             val screenSize = ScreenSizeCalculator.getInstance().getScreenSize(requireActivity())
             dialog.behavior.peekHeight = screenSize.y