diff --git a/src/main.c b/src/main.c
index 300fc8f2..1a0b0a16 100644
--- a/src/main.c
+++ b/src/main.c
@@ -87,7 +87,7 @@ int main(int argc, char *argv[])
 	for (;;) {
 		int opt;
 
-		opt = getopt_long(argc, argv, "Bvh", main_options, NULL);
+		opt = getopt_long(argc, argv, "KBvh", main_options, NULL);
 		if (opt < 0)
 			break;