diff --git a/site/plugins/form/app/Controllers/FormController.php b/site/plugins/form/app/Controllers/FormController.php
index 54542bfd..5e9f7fb6 100644
--- a/site/plugins/form/app/Controllers/FormController.php
+++ b/site/plugins/form/app/Controllers/FormController.php
@@ -535,8 +535,10 @@ class FormController extends Controller
         $name    = isset($properties['name'])  ? $properties['name'] : $field_name;
         $current_value   = isset($properties['value']) ? $properties['value'] : $field_value;
 
-        $current_value = array_map('trim', explode(',', $current_value));
-
+        if (! empty($current_value)) {
+            $current_value = array_map('trim', explode(',', $current_value));
+        }
+        
         return $this->flextype['view']->fetch('plugins/form/templates/fields/tags/field.html', ['title' => $title, 'size' => $size, 'name' => $name, 'id' => $id, 'class' => $class, 'help' => $help , 'options' => $options, 'current_value' => $current_value]);
     }