diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 9411f543f35..d4a7efd3cf4 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4559,7 +4559,7 @@ class Facture extends CommonInvoice
 	    }
 
 		if ($rounding < 0){
-			$rounding=min($conf->global->MAIN_MAX_DECIMALS_UNIT,$conf->global->MAIN_MAX_DECIMALS_TOT);
+			$rounding=min($conf->global->MAIN_MAX_DECIMALS_UNIT, $conf->global->MAIN_MAX_DECIMALS_TOT);
 			return round($retainedWarrantyAmount, 2);
 		}