diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 3de5ae96458..e0b6d1d81bc 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -4834,7 +4834,7 @@ class FactureLigne extends CommonInvoiceLine
 			$resql = $this->db->query($sql);
 			if ($resql && $resql->num_rows > 0) {
 				$res = $this->db->fetch_array($resql);
-				return $res['situation_percent'];
+				return floatval($res['situation_percent']);
 			} else {
 				$this->error = $this->db->error();
 				dol_syslog(get_class($this) . "::select Error " . $this->error, LOG_ERR);
diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index cb061bc9f2e..234c0cc7e34 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -1899,13 +1899,13 @@ function pdf_getlinetotalexcltax($object,$i,$outputlangs,$hidedetails=0)
         	{
         		$prev_progress = 0;
         		$progress = 1;
-        		if (method_exists($object, 'get_prev_progress'))
+        		if (method_exists($object->lines[$i], 'get_prev_progress'))
         		{
 					$prev_progress = $object->lines[$i]->get_prev_progress($object->id);
 					$progress = ($object->lines[$i]->situation_percent - $prev_progress) / 100;
         		}
 				$result.=price($sign * ($total_ht/($object->lines[$i]->situation_percent/100)) * $progress, 0, $outputlangs);
-			}
+        	}
         	else
 			$result.=price($sign * $total_ht, 0, $outputlangs);
 	}