diff --git a/htdocs/core/class/utils.class.php b/htdocs/core/class/utils.class.php
index 6f75db0b150..e78cf55d344 100644
--- a/htdocs/core/class/utils.class.php
+++ b/htdocs/core/class/utils.class.php
@@ -532,13 +532,13 @@ class Utils
 				} elseif ($compression == 'zstd') {
 					fclose($handle);
 				}
-				if ($ok && preg_match('/^-- (MySql|MariaDB)/i', $errormsg)) {	// No error
+				if ($ok && preg_match('/^-- (MySql|MariaDB)/i', $errormsg) || preg_match('/^\/\*M?!999999/', $errormsg)) {	// Start of file is ok, NOT an error
 					$errormsg = '';
 				} else {
-					// Renommer fichier sortie en fichier erreur
+					// Rename file out into a file error
 					//print "$outputfile -> $outputerror";
 					@dol_delete_file($outputerror, 1, 0, 0, null, false, 0);
-					@rename($outputfile, $outputerror);
+					@dol_move($outputfile, $outputerror, '0', 1, 0, 0);
 					// Si safe_mode on et command hors du parametre exec, on a un fichier out vide donc errormsg vide
 					if (!$errormsg) {
 						$langs->load("errors");