diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 8091d8dc9..09190e3c0 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -760,7 +760,7 @@ private function f_check_chan_act(AssignmentState st, RSL_Message chan_act) runs
 		}
 	}
 	/* FIXME: validate RSL_IE_ACT_TYPE, RSL_IE_CHAN_MODE, RSL_IE_CHAN_IDENT, RSL_IE_BS_POWER,
-	 * RSL_IE_MS_POWER, RSL_IE_TIMING_ADVANCE */
+	 * RSL_IE_TIMING_ADVANCE */
 
 	if (not f_rsl_find_ie(chan_act, RSL_IE_MS_POWER_PARAM, ms_power_param)) {
 		Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "IE MS Power Parameters not found in CHAN ACT");
@@ -770,7 +770,7 @@ private function f_check_chan_act(AssignmentState st, RSL_Message chan_act) runs
 		Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "IE MS Power not found in CHAN ACT");
 	} else {
 		if (not match(ms_power.ms_power, tr_RSL_IE_MS_Power(g_pars.exp_ms_power_level, false))) {
-			Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Wrong MS Power IE in CHAN ACT");
+			Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, log2str("Wrong MS Power IE in CHAN ACT, ", ms_power.ms_power.power_level, " vs exp ", g_pars.exp_ms_power_level));
 		}
 	}