diff --git a/app/Http/Controllers/PreviewController.php b/app/Http/Controllers/PreviewController.php
index 99d5b04c8e..8a6ae000eb 100644
--- a/app/Http/Controllers/PreviewController.php
+++ b/app/Http/Controllers/PreviewController.php
@@ -94,7 +94,12 @@ class PreviewController extends BaseController
             request()->has('body'))
         {
 
-            $invoice_design = new Custom(json_encode(request()->input('body')));
+            $design_object = json_decode(json_encode(request()->all()));
+
+            if(!is_object($design_object))
+                return response()->json(['message' => 'Invalid custom design object'], 400);
+
+            $invoice_design = new Custom($design_object->design->design);
 
             $entity = ucfirst(request()->input('entity'));
 
@@ -148,13 +153,12 @@ class PreviewController extends BaseController
             $invoice->setRelation('company', auth()->user()->company());
             $invoice->load('client');
 
-
-            $design_object = json_encode(request()->all());
+            $design_object = json_decode(json_encode(request()->all()));
 
             if(!is_object($design_object))
                 return response()->json(['message' => 'Invalid custom design object'], 400);
 
-            $invoice_design = new Custom($design_object);
+            $invoice_design = new Custom($design_object->design->design);
 
             $designer = new Designer($invoice, $invoice_design, $invoice->client->getSetting('pdf_variables'), lcfirst(request()->has('entity')));