diff --git a/app/src/main/java/com/termux/x11/MainActivity.java b/app/src/main/java/com/termux/x11/MainActivity.java
index e616c75bc..98dedb678 100644
--- a/app/src/main/java/com/termux/x11/MainActivity.java
+++ b/app/src/main/java/com/termux/x11/MainActivity.java
@@ -508,6 +508,11 @@ public void onWindowFocusChanged(boolean hasFocus) {
             decorView.setSystemUiVisibility(0);
         }
 
+        if (p.getBoolean("keepScreenOn", true))
+            window.addFlags(FLAG_KEEP_SCREEN_ON);
+        else
+            window.clearFlags(FLAG_KEEP_SCREEN_ON);
+
         if (reseed)
             window.setSoftInputMode(SOFT_INPUT_ADJUST_RESIZE | SOFT_INPUT_STATE_HIDDEN);
         else
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index ca6e86259..2342c16fc 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -60,6 +60,11 @@
             android:title="Hide display cutout (if any)"
             android:defaultValue="false"
             android:key="hideCutout" />
+        
+        <SwitchPreferenceCompat
+	        android:title="Keep Screen On"
+            android:defaultValue="true"
+            android:key="keepScreenOn" />
 
     </PreferenceCategory>
     <PreferenceCategory android:key="input" android:title="Input">