diff --git a/htdocs/core/modules/project/doc/pdf_timespent.modules.php b/htdocs/core/modules/project/doc/pdf_timespent.modules.php
index 007bf9c8e1d..2c69fbd6bab 100644
--- a/htdocs/core/modules/project/doc/pdf_timespent.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_timespent.modules.php
@@ -260,7 +260,7 @@ class pdf_timespent extends ModelePDFProjects
 					//$progress=($object->lines[$i]->progress?$object->lines[$i]->progress.'%':'');
 					$datestart=dol_print_date($object->lines[$i]->date_start, 'day');
 					$dateend=dol_print_date($object->lines[$i]->date_end, 'day');
-					$planned_timespent=convertSecondToTime((int) $object->lines[$i]->planned_timespent, 'allhourmin');
+					$duration=convertSecondToTime((int) $object->lines[$i]->duration, 'allhourmin');
 
 					$showpricebeforepagebreak=1;
 
@@ -348,7 +348,7 @@ class pdf_timespent extends ModelePDFProjects
 					$pdf->MultiCell($this->posxlabel-$this->posxref, 3, $outputlangs->convToOutputCharset($ref), 0, 'L');
 					// timespent
 					$pdf->SetXY($this->posxtimespent, $curY);
-					$pdf->MultiCell($this->posxdatestart-$this->posxtimespent, 3, $planned_timespent?$planned_timespent:'', 0, 'R');
+					$pdf->MultiCell($this->posxdatestart-$this->posxtimespent, 3, $duration?$duration:'', 0, 'R');
 					// Progress
 					//$pdf->SetXY($this->posxprogress, $curY);
 					//$pdf->MultiCell($this->posxdatestart-$this->posxprogress, 3, $progress, 0, 'R');