diff --git a/tests/gmm/gmm_prim_test.c b/tests/gmm/gmm_prim_test.c
index 7bc02b0..b66ca51 100644
--- a/tests/gmm/gmm_prim_test.c
+++ b/tests/gmm/gmm_prim_test.c
@@ -199,10 +199,13 @@ int test_gmm_prim_up_cb(struct osmo_gprs_gmm_prim *gmm_prim, void *user_data)
 	case OSMO_GPRS_GMM_SAP_GMMSM:
 		switch (OSMO_PRIM_HDR(&gmm_prim->oph)) {
 		case OSMO_PRIM(OSMO_GPRS_GMM_GMMSM_ESTABLISH, PRIM_OP_CONFIRM):
-			printf("%s(): Rx %s sess_id=%u accepted=%u rej_cause=%u\n", __func__, pdu_name,
-			       gmm_prim->gmmsm.sess_id,
-			       gmm_prim->gmmsm.establish_cnf.accepted,
-			       gmm_prim->gmmsm.establish_cnf.rej.cause);
+			if (gmm_prim->gmmsm.establish_cnf.accepted)
+				printf("%s(): Rx %s sess_id=%u accepted\n", __func__, pdu_name,
+				       gmm_prim->gmmsm.sess_id);
+			else
+				printf("%s(): Rx %s sess_id=%u rejected cause=%u\n", __func__, pdu_name,
+				       gmm_prim->gmmsm.sess_id,
+				       gmm_prim->gmmsm.establish_cnf.rej.cause);
 			break;
 		case OSMO_PRIM(OSMO_GPRS_GMM_GMMSM_UNITDATA, PRIM_OP_INDICATION):
 			printf("%s(): Rx %s sess_id=%u sm_pdu=%s\n", __func__, pdu_name,
diff --git a/tests/gmm/gmm_prim_test.ok b/tests/gmm/gmm_prim_test.ok
index e37507e..80d9a2d 100644
--- a/tests/gmm/gmm_prim_test.ok
+++ b/tests/gmm/gmm_prim_test.ok
@@ -21,7 +21,7 @@ test_gmm_prim_llc_down_cb(): Rx LL-UNITDATA.request TLLI=0x80001234 SAPI=GMM l3=
 test_gmm_prim_llc_down_cb(): Rx LLGMM-ASSIGN.request old_TLLI=0x80001234 new_TLLI=0xea711b41
 test_gmm_prim_down_cb(): Rx GMRR-ASSIGN.request old_tlli=0x80001234 new_tlli=0xea711b41
 test_gmm_prim_llc_down_cb(): Rx LL-UNITDATA.request TLLI=0xea711b41 SAPI=GMM l3=[08 03 ]
-test_gmm_prim_up_cb(): Rx GMMSM-ESTABLISH.confirm sess_id=1234 accepted=1 rej_cause=0
+test_gmm_prim_up_cb(): Rx GMMSM-ESTABLISH.confirm sess_id=1234 accepted
 test_gmm_prim_llc_down_cb(): Rx LL-UNITDATA.request TLLI=0xea711b41 SAPI=GMM l3=[0a 28 29 30 ]
 test_gmm_prim_up_cb(): Rx GMMSM-UNITDATA.indication sess_id=1234 sm_pdu=0a 28 29 30 
 ==== test_gmm_prim_ms_gmmsm() [end] ====