diff --git a/sip/proguard.flags b/sip/proguard.flags
index 23ae8c1..1c380ed 100644
--- a/sip/proguard.flags
+++ b/sip/proguard.flags
@@ -1,3 +1,3 @@
 -verbose
 -keep class com.android.services.telephony.sip.SipConnectionService
--keep class com.android.services.telephony.sip.SipBroadcastReceiver
+-keep class com.android.services.telephony.sip.SipIncomingCallReceiver