diff --git a/htdocs/core/modules/modFournisseur.class.php b/htdocs/core/modules/modFournisseur.class.php
index c034f1eb9b5..c1d50648b24 100644
--- a/htdocs/core/modules/modFournisseur.class.php
+++ b/htdocs/core/modules/modFournisseur.class.php
@@ -592,7 +592,7 @@ class modFournisseur extends DolibarrModules
 		if (empty($conf->multicurrency->enabled)) {
 			$this->import_fieldshidden_array[$r]['f.multicurrency_code'] = 'const-'.$conf->currency;
 		}
-		$this->import_regex_array[$r] = array('f.ref' => '(SI\d{4}-\d{4}|PROV.{1,32}$)', 'f.multicurrency_code' => 'code@'.MAIN_DB_PREFIX.'multicurrency');
+		$this->import_regex_array[$r] = array('f.multicurrency_code' => 'code@'.MAIN_DB_PREFIX.'multicurrency');
 		$import_sample = array(
 			'f.ref' => '(PROV001)',
 			'f.ref_supplier' => 'Supplier1',