diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index fb38731..e50b394 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="jackall.moncalc">
 
+    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+
     <application
         android:name=".App"
         android:allowBackup="true"