diff --git a/htdocs/core/modules/modProjet.class.php b/htdocs/core/modules/modProjet.class.php
index 0d8a09aa7e5..db0b0d765c3 100644
--- a/htdocs/core/modules/modProjet.class.php
+++ b/htdocs/core/modules/modProjet.class.php
@@ -182,7 +182,7 @@ class modProjet extends DolibarrModules
 		$this->export_code[$r]=$this->rights_class.'_'.$r;
 		$this->export_label[$r]='ProjectsAndTasksLines';	// Translation key (used only if key ExportDataset_xxx_z not found)
 		$this->export_permission[$r]=array(array("projet","export"));
-		$this->export_dependencies_array[$r]=array('task_time'=>'ppt.rowid');
+		$this->export_dependencies_array[$r]=array('task_time'=>'pt.rowid');
 		
 		$this->export_TypeFields_array[$r]=array('s.rowid'=>"List:societe:nom",'s.nom'=>'Text','s.address'=>'Text','s.zip'=>'Text','s.town'=>'Text','s.fk_pays'=>'List:c_pays:libelle',
 		's.phone'=>'Text','s.siren'=>'Text','s.siret'=>'Text','s.ape'=>'Text','s.idprof4'=>'Text','s.code_compta'=>'Text','s.code_compta_fournisseur'=>'Text',