diff --git a/src/bsc_hack.c b/src/bsc_hack.c
index 5d89124..274a9cf 100644
--- a/src/bsc_hack.c
+++ b/src/bsc_hack.c
@@ -669,7 +669,7 @@
 			{0, 0, 0, 0}
 		};
 
-		c = getopt_long(argc, argv, "hnd:",
+		c = getopt_long(argc, argv, "hc:n:d:s",
 				long_options, &option_index);
 		if (c == -1)
 			break;