diff --git a/openbsc/src/vty_interface.c b/openbsc/src/vty_interface.c
index 894146b..f1e35e8 100644
--- a/openbsc/src/vty_interface.c
+++ b/openbsc/src/vty_interface.c
@@ -1101,7 +1101,7 @@
 {
 	int maxpwr_r = atoi(argv[0]);
 	struct gsm_bts_trx *trx = vty->index;
-	int upper_limit = 12;	/* default 12.21 max power red. */
+	int upper_limit = 24;	/* default 12.21 max power red. */
 
 	/* FIXME: check if our BTS type supports more than 12 */
 	if (maxpwr_r < 0 || maxpwr_r > upper_limit) {