diff --git a/app/src/main/java/org/linphone/activities/call/IncomingCallActivity.kt b/app/src/main/java/org/linphone/activities/call/IncomingCallActivity.kt
index 0e9d23d72..9472e09c7 100644
--- a/app/src/main/java/org/linphone/activities/call/IncomingCallActivity.kt
+++ b/app/src/main/java/org/linphone/activities/call/IncomingCallActivity.kt
@@ -46,6 +46,7 @@ class IncomingCallActivity : GenericActivity() {
 
         Compatibility.setShowWhenLocked(this, true)
         Compatibility.setTurnScreenOn(this, true)
+        // Leaks on API 27+: https://stackoverflow.com/questions/60477120/keyguardmanager-memory-leak
         Compatibility.requestDismissKeyguard(this)
 
         binding = DataBindingUtil.setContentView(this, R.layout.call_incoming_activity)