Index: kernel/generic/src/ipc/sysipc.c
===================================================================
--- kernel/generic/src/ipc/sysipc.c	(revision 228e490270cec3d6a6de666f61839f0d9ed5f193)
+++ kernel/generic/src/ipc/sysipc.c	(revision 9097c16ac175a8ff504395777273b5e04be9bfc0)
@@ -248,4 +248,6 @@
 			/* The connection was accepted */
 			phone_connect(phoneid, &answer->sender->answerbox);
+			/* Set 'task hash' as arg4 of response */
+			IPC_SET_ARG4(answer->data, (sysarg_t) TASK);
 			/* Set 'phone hash' as arg5 of response */
 			IPC_SET_ARG5(answer->data,