diff --git a/openbsc/src/bsc_hack.c b/openbsc/src/bsc_hack.c
index 7bd036a..6de6fd2 100644
--- a/openbsc/src/bsc_hack.c
+++ b/openbsc/src/bsc_hack.c
@@ -956,7 +956,7 @@
 
 	/* patch MS max power for CCH */
 	type_4->cell_sel_par.ms_txpwr_max_ccch =
-			ms_pwr_ctl_lvl(bts->band, 20 /* dBm == 100mW */);
+			ms_pwr_ctl_lvl(bts->band, bts->ms_max_power);
 
 	if (bts->cell_barred) {
 		type_1->rach_control.cell_bar = 1;