diff --git a/openbsc/tests/gprs/gprs_test.c b/openbsc/tests/gprs/gprs_test.c
index a7c2401..bbd1d8a 100644
--- a/openbsc/tests/gprs/gprs_test.c
+++ b/openbsc/tests/gprs/gprs_test.c
@@ -446,10 +446,11 @@
 		0x08, 0x07, /* MSISDN of the subscriber */
 			0x91, 0x94, 0x61, 0x46, 0x32, 0x24, 0x43,
 		0x04, 0x00, /* PDP info complete */
-		0x05, 0x12,
+		0x05, 0x15,
 			0x10, 0x01, 0x01,
 			0x11, 0x02, 0xf1, 0x21, /* IPv4 */
 			0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
+			0x13, 0x01, 0x02,
 		0x05, 0x11,
 			0x10, 0x01, 0x02,
 			0x11, 0x02, 0xf1, 0x21, /* IPv4 */