diff --git a/usr.sbin/bluetooth/btpand/btpand.c b/usr.sbin/bluetooth/btpand/btpand.c
--- a/usr.sbin/bluetooth/btpand/btpand.c
+++ b/usr.sbin/bluetooth/btpand/btpand.c
@@ -143,9 +143,11 @@
 
 		case 's': /* service */
 		case 'S': /* service (no SDP) */
-			for (ul = 0; strcasecmp(optarg, services[ul].name); ul++) {
+			for (ul = 0; ; ul++) {
 				if (ul == __arraycount(services))
 					errx(EXIT_FAILURE, "%s: unknown service", optarg);
+				if (strcasecmp(optarg, services[ul].name) == 0)
+					break;
 			}
 
 			if (ch == 's')