diff --git a/msc/MSC_Tests.ttcn b/msc/MSC_Tests.ttcn
index 7c4d8ba..e5c48bb 100644
--- a/msc/MSC_Tests.ttcn
+++ b/msc/MSC_Tests.ttcn
@@ -6030,9 +6030,9 @@
 
 	cpars := valueof(t_CallParams('12345'H, 0));
 	if (pars.use_ipv6) {
-	       cpars.mgw_conn_1.mgw_rtp_ip := "::1";
-	       cpars.mgw_conn_2.mgw_rtp_ip := "::2";
-	       cpars.bss_rtp_ip := "::3";
+		cpars.mgw_conn_1.mgw_rtp_ip := "::1";
+		cpars.mgw_conn_2.mgw_rtp_ip := "::2";
+		cpars.bss_rtp_ip := "::3";
 	}
 	var hexstring ho_number := f_gen_msisdn(99999);