diff --git a/hnbgw/HNBGW_Tests.ttcn b/hnbgw/HNBGW_Tests.ttcn
index df6fc8e..b1f6cae 100644
--- a/hnbgw/HNBGW_Tests.ttcn
+++ b/hnbgw/HNBGW_Tests.ttcn
@@ -533,6 +533,11 @@
 	if (start_hnb) {
 		f_start_hnbs();
 	}
+
+	/* Sometimes, the RUA InitialUE-Message from a test happens too quickly, before the RANAP RESET from
+	 * RAN_Emulation is through, after above f_cn_nr_init(). In the pcap it seems to be a matter of 50 ms. Give some
+	 * grace. */
+	 f_sleep(1.0);
 }
 
 friend function f_shutdown_helper() runs on test_CT {