diff --git a/htdocs/core/lib/price.lib.php b/htdocs/core/lib/price.lib.php
index 1ba25359f73..8b017a5a9f3 100644
--- a/htdocs/core/lib/price.lib.php
+++ b/htdocs/core/lib/price.lib.php
@@ -81,7 +81,7 @@ function calcul_price_total($qty, $pu, $remise_percent_ligne, $txtva, $uselocalt
 	if (empty($txtva)) $txtva=0;
 	if (empty($seller) || ! is_object($seller))
 	{
-		dol_syslog("calcul_price_total Warning: function is called with parameter seller that is missing", LOG_WARNING);
+		dol_syslog("Price.lib::calcul_price_total Warning: function is called with parameter seller that is missing", LOG_WARNING);
 		if (! is_object($mysoc))	// mysoc may be not defined (during migration process)
 		{
 			$mysoc=new Societe($db);
@@ -92,7 +92,7 @@ function calcul_price_total($qty, $pu, $remise_percent_ligne, $txtva, $uselocalt
 	}
 	if (empty($localtaxes_array) || ! is_array($localtaxes_array))
 	{
-		dol_syslog("calcul_price_total Warning: function is called with parameter localtaxes_array that is missing", LOG_WARNING);
+		dol_syslog("Price.lib::calcul_price_total Warning: function is called with parameter localtaxes_array that is missing", LOG_WARNING);
 	}
 	// Too verbose. Enable for debug only
 	//dol_syslog("Price.lib::calcul_price_total qty=".$qty." pu=".$pu." remiserpercent_ligne=".$remise_percent_ligne." txtva=".$txtva." uselocaltax1_rate=".$uselocaltax1_rate." uselocaltax2_rate=".$uselocaltax2_rate.' remise_percent_global='.$remise_percent_global.' price_base_type='.$ice_base_type.' type='.$type.' progress='.$progress);
@@ -124,7 +124,7 @@ function calcul_price_total($qty, $pu, $remise_percent_ligne, $txtva, $uselocalt
 		$sql.= " FROM ".MAIN_DB_PREFIX."c_tva as cv";
 		$sql.= " WHERE cv.taux = ".$txtva;
 		$sql.= " AND cv.fk_pays = ".$countryid;
-		dol_syslog("calcul_price_total search vat information using old deprecated method", LOG_WARNING);
+		dol_syslog("Price.lib::calcul_price_total search vat information using old deprecated method", LOG_WARNING);
 		$resql = $db->query($sql);
 		if ($resql)
 		{