diff --git a/utils/osmo-arfcn.c b/utils/osmo-arfcn.c
index 61108f8..aee132c 100644
--- a/utils/osmo-arfcn.c
+++ b/utils/osmo-arfcn.c
@@ -62,6 +62,7 @@
 static int freq2arfcn(int freq10, int uplink)
 {
 	uint16_t arfcn;
+	enum gsm_band band;
 
 	if (uplink != 0 && uplink != 1) {
 		fprintf(stderr, "Need to specify uplink or downlink\n");
@@ -75,8 +76,13 @@
 		return -EINVAL;
 	}
 
+	if (gsm_arfcn2band_rc(arfcn, &band) < 0) {
+		fprintf(stderr, "ARFCN contains no valid band\n");
+		return -EINVAL;
+	}
+
 	printf("%s: ARFCN %4d\n",
-		gsm_band_name(gsm_arfcn2band(arfcn)),
+		gsm_band_name(band),
 		arfcn & ~ARFCN_FLAG_MASK);
 	return 0;
 }