diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index 6aa5e0c..035a47d 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -631,6 +631,10 @@
 		}
 	}
 
+	/* Wait to ensure the gbproxy processed the RESET_ACK messages from the SGSN.
+	 * Otherwise the state might still be WAIT_RESET_ACK */
+	f_sleep(0.2);
+
 	/* verify all SGSN-side BVC FSM in IUT are UNBLOCKED */
 	for (i := 0; i < lengthof(mp_nsconfig_sgsn); i := i+1) {
 		f_bvc_fsm_ensure_state(mp_nsconfig_sgsn[i].nsei, 0, "UNBLOCKED");