diff --git a/src/Repositories/Behaviors/HandleFieldsGroups.php b/src/Repositories/Behaviors/HandleFieldsGroups.php
index 8baffde35..9a9288b51 100644
--- a/src/Repositories/Behaviors/HandleFieldsGroups.php
+++ b/src/Repositories/Behaviors/HandleFieldsGroups.php
@@ -53,6 +53,11 @@ protected function handleFieldsGroups($fields) {
             $fields[$group] = Arr::where(Arr::only($fields, $groupFields), function ($value, $key) {
                 return !empty($value);
             });
+            
+            if (empty($fields[$group])) {
+                $fields[$group] = null;
+            }
+            
             Arr::forget($fields, $groupFields);
         }