diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index 34afaca..909a331 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -8217,6 +8217,8 @@
 	var octetstring pl;
 	timer Td, Tu;
 
+	log("Testing channel mode ", g_pars.chan_mode);
+
 	f_l1_tune(L1CTL);
 	f_est_dchan();