diff --git a/src/utils/other.ts b/src/utils/other.ts
index 2edee2b..4d0c519 100644
--- a/src/utils/other.ts
+++ b/src/utils/other.ts
@@ -106,7 +106,7 @@ export function deepClone(obj: any) {
 		newObj = {};
 	}
 	for (let attr in obj) {
-		if (typeof obj[attr] === 'object') {
+		if (obj[attr] && typeof obj[attr] === 'object') {
 			newObj[attr] = deepClone(obj[attr]);
 		} else {
 			newObj[attr] = obj[attr];