diff --git a/openbsc/src/libbsc/bsc_init.c b/openbsc/src/libbsc/bsc_init.c
index 529ffc0..441c0a9 100644
--- a/openbsc/src/libbsc/bsc_init.c
+++ b/openbsc/src/libbsc/bsc_init.c
@@ -210,7 +210,7 @@
 
 	/* count the number of ARFCNs in the cell channel allocation */
 	num_cell_arfcns = 0;
-	for (i = 1; i < 1024; i++) {
+	for (i = 0; i < 1024; i++) {
 		if (bitvec_get_bit_pos(cell_chan, i))
 			num_cell_arfcns++;
 	}
@@ -221,7 +221,7 @@
 		ts->hopping.ma_len++;
 
 	n_chan = 0;
-	for (i = 1; i < 1024; i++) {
+	for (i = 0; i < 1024; i++) {
 		if (!bitvec_get_bit_pos(cell_chan, i))
 			continue;
 		/* set the corresponding bit in the MA */
diff --git a/openbsc/src/libbsc/bsc_vty.c b/openbsc/src/libbsc/bsc_vty.c
index 0c02552..8c39b3a 100644
--- a/openbsc/src/libbsc/bsc_vty.c
+++ b/openbsc/src/libbsc/bsc_vty.c
@@ -2240,7 +2240,7 @@
 }
 
 DEFUN(cfg_bts_neigh, cfg_bts_neigh_cmd,
-	"neighbor-list (add|del) arfcn <0-1024>",
+	"neighbor-list (add|del) arfcn <0-1023>",
 	"Neighbor List\n" "Add to manual neighbor list\n"
 	"Delete from manual neighbor list\n" "ARFCN of neighbor\n"
 	"ARFCN of neighbor\n")
@@ -2264,7 +2264,7 @@
 }
 
 DEFUN(cfg_bts_si5_neigh, cfg_bts_si5_neigh_cmd,
-	"si5 neighbor-list (add|del) arfcn <0-1024>",
+	"si5 neighbor-list (add|del) arfcn <0-1023>",
 	"SI5 Neighbor List\n" "Add to manual SI5 neighbor list\n"
 	"Delete from SI5 manual neighbor list\n" "ARFCN of neighbor\n"
 	"ARFCN of neighbor\n")
@@ -2322,7 +2322,7 @@
 
 DEFUN(cfg_trx_arfcn,
       cfg_trx_arfcn_cmd,
-      "arfcn <0-1024>",
+      "arfcn <0-1023>",
       "Set the ARFCN for this TRX\n")
 {
 	int arfcn = atoi(argv[0]);