diff --git a/dist/index.js b/dist/index.js
index e5f0473..f7516d5 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -122,9 +122,7 @@ class Config {
             const value = json[key];
             switch (value) {
                 case Array.isArray(value):
-                    let newVal = this.array(key) ?? [];
-                    newVal.push(value);
-                    this.set(key, newVal);
+                    this.set(key, [...(this.array(key) ?? []), ...value]);
                     break;
                 default:
                     this.set(key, value);