diff --git a/htdocs/includes/odtphp/odf.php b/htdocs/includes/odtphp/odf.php
index 7b165b53142..0f5861caf68 100644
--- a/htdocs/includes/odtphp/odf.php
+++ b/htdocs/includes/odtphp/odf.php
@@ -821,7 +821,10 @@ IMG;
 		if ($conf->global->MAIN_ODT_AS_PDF == 'libreoffice')
 		{
 			dol_mkdir($conf->user->dir_temp);	// We must be sure the directory exists and is writable
-			dol_mkdir($conf->user->dir_temp.'/odtaspdf');	// We create a subdir because the soffice change pemrissions on it
+
+			// We delete and recreate a subdir because the soffice may have change pemrissions on it
+			dol_delete_dir_recursive($conf->user->dir_temp.'/odtaspdf');
+			dol_mkdir($conf->user->dir_temp.'/odtaspdf');
 
 			// Install prerequisites: apt install soffice libreoffice-common libreoffice-writer
 			// using windows libreoffice that must be in path