diff --git a/sway/main.c b/sway/main.c
index b6f8a8bf..cbe6e603 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -241,7 +241,7 @@ static void handle_wlr_log(enum wlr_log_importance importance,
 }
 
 int main(int argc, char **argv) {
-	static int verbose = 0, debug = 0, validate = 0, allow_unsupported_gpu = 0;
+	static bool verbose = false, debug = false, validate = false, allow_unsupported_gpu = false;
 
 	static const struct option long_options[] = {
 		{"help", no_argument, NULL, 'h'},
@@ -286,23 +286,23 @@ int main(int argc, char **argv) {
 			config_path = strdup(optarg);
 			break;
 		case 'C': // validate
-			validate = 1;
+			validate = true;
 			break;
 		case 'd': // debug
-			debug = 1;
+			debug = true;
 			break;
 		case 'D': // extended debug options
 			enable_debug_flag(optarg);
 			break;
 		case 'u':
-			allow_unsupported_gpu = 1;
+			allow_unsupported_gpu = true;
 			break;
 		case 'v': // version
 			printf("sway version " SWAY_VERSION "\n");
 			exit(EXIT_SUCCESS);
 			break;
 		case 'V': // verbose
-			verbose = 1;
+			verbose = true;
 			break;
 		case 'p': ; // --get-socketpath
 			if (getenv("SWAYSOCK")) {