@@ -199,7 +199,7 @@ static struct option longopts[] = {{"show-matches", required_argument, NULL, 'e'

 				   {"prompt", required_argument, NULL, 'p'},

 				   {"show-scores", no_argument, NULL, 's'},

 				   {"version", no_argument, NULL, 'v'},

-				   {"benchmark", no_argument, NULL, 'b'},

+				   {"benchmark", optional_argument, NULL, 'b'},

 				   {"help", no_argument, NULL, 'h'},

 				   {NULL, 0, NULL, 0}};

@@ -220,7 +220,14 @@ int main(int argc, char *argv[]) {

 				initial_query = optarg;

 				break;

 			case 'b':

-				benchmark = 1;

+				if (optarg) {

+				    if (sscanf(optarg, "%d", &benchmark) != 1) {

+					usage(argv[0]);

+					exit(EXIT_FAILURE);

+				    }

+				} else {

+				    benchmark = 100;

+				}

 				break;

 			case 't':

 				tty_filename = optarg;

@@ -263,7 +270,7 @@ int main(int argc, char *argv[]) {

 			fprintf(stderr, "Must specify -e/--show-matches with --benchmark\n");

 			exit(EXIT_FAILURE);

 		}

-		for (int i = 0; i < 100; i++)

+		for (int i = 0; i < benchmark; i++)

 			choices_search(&choices, initial_query);

 	} else if (initial_query) {

 		choices_search(&choices, initial_query);