diff --git a/src/cheogram/java/com/cheogram/android/ConnectionService.java b/src/cheogram/java/com/cheogram/android/ConnectionService.java
index 0d7f5ec7bbcc084f0746d9ba75f34b87fa767d8d..64128fac35bc345806ef40ee8bd83977a75da739 100644
--- a/src/cheogram/java/com/cheogram/android/ConnectionService.java
+++ b/src/cheogram/java/com/cheogram/android/ConnectionService.java
@@ -105,6 +105,12 @@ public class ConnectionService extends android.telecom.ConnectionService {
 			);
 		}
 
+		if (xmppConnectionService == null) {
+			return Connection.createFailedConnection(
+				new DisconnectCause(DisconnectCause.ERROR)
+			);
+		}
+
 		if (xmppConnectionService.getJingleConnectionManager().isBusy() != null) {
 			return Connection.createFailedConnection(
 				new DisconnectCause(DisconnectCause.BUSY)