diff --git a/htdocs/compta/sociales/class/chargesociales.class.php b/htdocs/compta/sociales/class/chargesociales.class.php
index c18d83ec52c..431f0bcba72 100644
--- a/htdocs/compta/sociales/class/chargesociales.class.php
+++ b/htdocs/compta/sociales/class/chargesociales.class.php
@@ -198,7 +198,7 @@ class ChargeSociales extends CommonObject
 		$newamount = price2num($this->amount, 'MT');
 
 		// Validation of parameters
-		if (!($newamount > 0) || empty($this->date_ech) || empty($this->periode)) {
+		if ($newamount == 0 || empty($this->date_ech) || empty($this->periode)) {
 			return false;
 		}