diff --git a/ts/tools/toFlatObject.ts b/ts/tools/toFlatObject.ts
index 508bf18..9ab8eb1 100644
--- a/ts/tools/toFlatObject.ts
+++ b/ts/tools/toFlatObject.ts
@@ -1,6 +1,9 @@
 export const toFlatObject = (objectArg: object) => {
   const returnObject: {[key: string]: any} = {};
   const extractLayer = (subObject: {[key: string]: any}, pathArg: string, loopProtection: object[]) => {
+    if (loopProtection.indexOf(subObject) > -1) {
+      return;
+    }
     if (subObject)
       for (const key of Object.keys(subObject)) {
         let localPathArg = pathArg;