diff --git a/sway/commands.c b/sway/commands.c
index 50a6e9415..d742495dd 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -1329,19 +1329,21 @@ struct cmd_results *cmd_results_new(enum cmd_status status, const char* input, c
 }
 
 void free_cmd_results(struct cmd_results *results) {
-	if (results->error)
+	if (results->error) {
 		free(results->error);
+	}
 	free(results);
 }
 
 const char *cmd_results_to_json(struct cmd_results *results) {
 	json_object *root = json_object_new_object();
 	json_object_object_add(root, "success", json_object_new_boolean(results->status == CMD_SUCCESS));
-	if (results->input)
+	if (results->input) {
 		json_object_object_add(root, "input", json_object_new_string(results->input));
-	if (results->error)
+	}
+	if (results->error) {
 		json_object_object_add(root, "error", json_object_new_string(results->error));
-
+	}
 	const char *json = json_object_to_json_string(root);
 	free(root);
 	return json;