diff --git a/modules/dashactivity/dashactivity.php b/modules/dashactivity/dashactivity.php
index 053c26033..9e09299f9 100644
--- a/modules/dashactivity/dashactivity.php
+++ b/modules/dashactivity/dashactivity.php
@@ -72,7 +72,7 @@ class Dashactivity extends Module
 				$this->context->controller->addJquery();
 
 			$this->context->controller->addJs($this->_path.'views/js/'.$this->name.'.js');
-			$this->context->controller->addJs(_PS_JS_DIR_.'date.js');
+			$this->context->controller->addJs(array(_PS_JS_DIR_.'date.js', _PS_JS_DIR_.'tools.js');
 		}
 	}