diff --git a/src/WPDesk/Notice/Notice.php b/src/WPDesk/Notice/Notice.php
index 1fcc6279ad760d5a6d03be746e5fdcc1871700ac..839ce0b86e36b8633f668e567de14fefb58d1dba 100644
--- a/src/WPDesk/Notice/Notice.php
+++ b/src/WPDesk/Notice/Notice.php
@@ -198,7 +198,9 @@ class Notice
     {
         $attribute_string = sprintf('class="%1$s"', esc_attr($this->getNoticeClass()));
         foreach ($this->attributes as $attribute_name => $attribute_value) {
-            $attribute_string .= sprintf(' %1$s="%2$s"', esc_html($attribute_name), esc_attr($attribute_value));
+            if ('class' !== $attribute_name) {
+                $attribute_string .= sprintf(' %1$s="%2$s"', esc_html($attribute_name), esc_attr($attribute_value));
+            }
         }
         return $attribute_string;
     }