diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 5779990..2858cdf 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -3622,6 +3622,9 @@
 		if (rx_paging_done[imsi_idx] == false) {
 			rx_paging_done[imsi_idx] := true;
 			rx_paging_num := rx_paging_num + 1;
+		} else {
+			setverdict(fail, "Retrans happened before Rx initial trans for all reqs. ", rx_paging_num);
+			mtc.stop;
 		}
 		if (rx_paging_num < num_subscribers) {
 			repeat;