diff --git a/tools/hwsim.c b/tools/hwsim.c
index 2a071e6f..ab05d836 100644
--- a/tools/hwsim.c
+++ b/tools/hwsim.c
@@ -2434,7 +2434,7 @@ int main(int argc, char *argv[])
 	for (;;) {
 		int opt;
 
-		opt = getopt_long(argc, argv, ":L:CD:kn:ipv", main_options,
+		opt = getopt_long(argc, argv, ":L:CD:kn:ipvh", main_options,
 									NULL);
 		if (opt < 0)
 			break;