diff --git a/cmd/sound.c b/cmd/sound.c
index cef71be..0b7f959 100644
--- a/cmd/sound.c
+++ b/cmd/sound.c
@@ -48,12 +48,12 @@
 	++argv;
 	while (argc || first) {
 		first = false;
-		if (argc && *argv[0] != '-') {
+		if (argc) {
 			msec = dectoul(argv[0], NULL);
 			--argc;
 			++argv;
 		}
-		if (argc && *argv[0] != '-') {
+		if (argc) {
 			freq = dectoul(argv[0], NULL);
 			--argc;
 			++argv;