diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index 1b5d743c350..2fd38d097c0 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -252,6 +252,14 @@ class FormMail extends Form
 		$langs->load("other");
 		$langs->load("mails");
 
+
+		// Clear temp files. Must be done at beginning, before call of triggers
+		if (GETPOST('mode','alpha') == 'init' || (GETPOST('modelmailselected','alpha') && GETPOST('modelmailselected','alpha') != '-1'))
+		{
+			$this->clear_attached_files();
+		}
+
+		// Call hook getFormMail
 		$hookmanager->initHooks(array('formmail'));
 
 		$parameters=array(
@@ -306,7 +314,6 @@ class FormMail extends Form
 
 			if (GETPOST('mode','alpha') == 'init' || (GETPOST('modelmailselected','alpha') && GETPOST('modelmailselected','alpha') != '-1'))
 			{
-				$this->clear_attached_files();
 				if (! empty($arraydefaultmessage['joinfiles']) && is_array($this->param['fileinit']))
 				{
 					foreach($this->param['fileinit'] as $file)