diff --git a/package.json b/package.json
index 0e29ec85..8c65cd5a 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-is": "^18.2.0",
+    "rfdc": "^1.3.0",
     "styled-components": "5.3.3"
   },
   "devDependencies": {
@@ -79,4 +80,4 @@
       "prettier --write"
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/src/services/mergeConfigWithCustom/mergeConfigWithCutom.ts b/src/services/mergeConfigWithCustom/mergeConfigWithCutom.ts
index ef523647..ff434ee8 100644
--- a/src/services/mergeConfigWithCustom/mergeConfigWithCutom.ts
+++ b/src/services/mergeConfigWithCustom/mergeConfigWithCutom.ts
@@ -1,4 +1,7 @@
 import { memoize, merge } from 'lodash';
+import rfdc from 'rfdc';
+
+const clone = rfdc();
 
 type Params<T, K> = {
   defaultConfig: T;
@@ -10,8 +13,14 @@ const memoizedMerge = memoize(
   (...args) => JSON.stringify(args[0]) + JSON.stringify(args[1]),
 );
 
+const copyMergeMemoize = <T, K>({ defaultConfig, custom }: Params<T, K>): T => {
+  const defaultConfigClone = clone(defaultConfig);
+
+  return memoizedMerge(defaultConfigClone, custom);
+};
+
 export const mergeConfigWithCustom = <T, K>({
   defaultConfig,
   custom,
 }: Params<T, K>): T =>
-  custom ? memoizedMerge(defaultConfig, custom) : defaultConfig;
+  custom ? copyMergeMemoize({ defaultConfig, custom }) : defaultConfig;