diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index 37adc18..c6e82d4 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -635,9 +635,9 @@
 	var PDU_ML3_MS_NW l3_info := valueof(ts_CM_SERV_REQ(CM_TYPE_MO_CALL, mi));
 	var octetstring l3_enc := enc_PDU_ML3_MS_NW(l3_info);
 
+	f_create_bssmap_exp(l3_enc);
 	/* call helper function for CHAN_RQD -> IMM ASS ->EST_IND */
 	RSL_Emulation.f_chan_est(g_pars.ra, l3_enc, g_pars.link_id, g_pars.fn);
-	f_create_bssmap_exp(l3_enc);
 }
 
 function f_rsl_send_l3(template PDU_ML3_MS_NW l3, template (omit) RslLinkId link_id := omit,