diff --git a/src/request/RequestClient.ts b/src/request/RequestClient.ts
index eb6aac2..9f29dcd 100644
--- a/src/request/RequestClient.ts
+++ b/src/request/RequestClient.ts
@@ -429,8 +429,8 @@ export class RequestClient implements HttpClient {
           throw new Error('Valid JSON could not be extracted from response.')
         }
 
-        isValidJson(weboutResponse)
-        parsedResponse = JSON.parse(weboutResponse)
+        const jsonResponse = isValidJson(weboutResponse)
+        parsedResponse = jsonResponse
       } catch {
         parsedResponse = response.data
       }
diff --git a/src/test/utils/isValidJson.spec.ts b/src/test/utils/isValidJson.spec.ts
index 8f6c0c9..e8a63f2 100644
--- a/src/test/utils/isValidJson.spec.ts
+++ b/src/test/utils/isValidJson.spec.ts
@@ -6,15 +6,15 @@ describe.only('jsonValidator', () => {
       test: 'test'
     }
 
-    expect(isValidJson(json)).not.toThrowError
+    expect(isValidJson(json)).toBe(json)
   })
 
   it('should not throw an error with an valid json string', () => {
-    const json = JSON.stringify({
+    const json = {
       test: 'test'
-    })
+    }
 
-    expect(isValidJson(json)).not.toThrowError
+    expect(isValidJson(JSON.stringify(json))).toStrictEqual(json)
   })
 
   it('should throw an error with an invalid json', () => {
diff --git a/src/utils/isValidJson.ts b/src/utils/isValidJson.ts
index d6cc549..253440f 100644
--- a/src/utils/isValidJson.ts
+++ b/src/utils/isValidJson.ts
@@ -4,9 +4,9 @@
  */
 export const isValidJson = (str: string | object) => {
   try {
-    if (typeof str === 'object') return
+    if (typeof str === 'object') return str
 
-    str = JSON.parse(str)
+    return JSON.parse(str)
   } catch (e) {
     throw new Error('Invalid JSON response.')
   }