diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 1bb54763f5b..a66d1429941 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -4866,7 +4866,7 @@ function price2num($amount, $rounding = '', $option = 0)
 
 	// Convert value to universal number format (no thousand separator, '.' as decimal separator)
 	if ($option != 1) {	// If not a PHP number or unknown, we change or clean format
-		//print 'PP'.$amount.' - '.$dec.' - '.$thousand.' - '.intval($amount).'<br>';
+		//print "\n".'PP'.$amount.' - '.$dec.' - '.$thousand.' - '.intval($amount).'<br>';
 		if (!is_numeric($amount)) {
 			$amount = preg_replace('/[a-zA-Z\/\\\*\(\)\<\>\_]/', '', $amount);
 		}
@@ -4896,6 +4896,7 @@ function price2num($amount, $rounding = '', $option = 0)
 		$amount = str_replace($thousand, '', $amount); // Replace of thousand before replace of dec to avoid pb if thousand is .
 		$amount = str_replace($dec, '.', $amount);
 	}
+	//print ' XX'.$amount.' '.$rounding;
 
 	// Now, make a rounding if required
 	if ($rounding)
@@ -4917,10 +4918,10 @@ function price2num($amount, $rounding = '', $option = 0)
 			$nbofdectoround = max($conf->global->MAIN_MAX_DECIMALS_TOT, 8);		// TODO Use param of currency
 		}
 		elseif (is_numeric($rounding))  $nbofdectoround = $rounding;
-		//print "RR".$amount.' - '.$nbofdectoround.'<br>';
+		//print " RR".$amount.' - '.$nbofdectoround.'<br>';
 		if (dol_strlen($nbofdectoround)) $amount = round(is_string($amount) ? (float) $amount : $amount, $nbofdectoround); // $nbofdectoround can be 0.
 		else return 'ErrorBadParameterProvidedToFunction';
-		//print 'SS'.$amount.' - '.$nbofdec.' - '.$dec.' - '.$thousand.' - '.$nbofdectoround.'<br>';
+		//print ' SS'.$amount.' - '.$nbofdec.' - '.$dec.' - '.$thousand.' - '.$nbofdectoround.'<br>';
 
 		// Convert amount to format with dolibarr dec and thousand (this is because PHP convert a number
 		// to format defined by LC_NUMERIC after a calculation and we want source format to be defined by Dolibarr setup.