diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
index 5fb7c216..58bdaa7e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/CallActivity.kt
@@ -326,10 +326,12 @@ class CallActivity : SimpleActivity() {
             setShowWhenLocked(true)
             setTurnScreenOn(true)
         } else {
-            window.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
-	    or WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
-	    or WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
-	    or WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
+            window.addFlags(
+                WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
+                    or WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+                    or WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
+                    or WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
+            )
         }
 
         if (isOreoPlus()) {