diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 80500f2..8d789bd 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -957,6 +957,7 @@
 		}
 	}
 	f_rsl_chan_deact();
+	f_L1CTL_DM_REL_REQ(L1CTL, g_chan_nr);
 }
 testcase TC_meas_res_sign_tchf() runs on test_CT {
 	var ConnHdlr vc_conn;