diff --git a/app/Http/Requests/Design/StoreDesignRequest.php b/app/Http/Requests/Design/StoreDesignRequest.php
index 2acd5cc29740..a9ef95f20298 100644
--- a/app/Http/Requests/Design/StoreDesignRequest.php
+++ b/app/Http/Requests/Design/StoreDesignRequest.php
@@ -54,6 +54,10 @@ class StoreDesignRequest extends Request
             $input['design']['footer'] = '';
         }
         
+        if (! array_key_exists('header', $input['design']) || is_null($input['design']['header'])) {
+            $input['design']['header'] = '';
+        }
+
         $this->replace($input);
     }
 }
diff --git a/app/Http/Requests/Design/UpdateDesignRequest.php b/app/Http/Requests/Design/UpdateDesignRequest.php
index 6351541cdcc5..077f1c2ff88c 100644
--- a/app/Http/Requests/Design/UpdateDesignRequest.php
+++ b/app/Http/Requests/Design/UpdateDesignRequest.php
@@ -53,6 +53,10 @@ class UpdateDesignRequest extends Request
             $input['design']['footer'] = '';
         }
 
+        if (! array_key_exists('header', $input['design']) || is_null($input['design']['header'])) {
+            $input['design']['header'] = '';
+        }
+
         $this->replace($input);
     }
 }