diff --git a/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php b/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
index 2b60695db51..039c3002bdf 100644
--- a/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
+++ b/htdocs/core/modules/project/task/doc/doc_generic_task_odt.modules.php
@@ -415,6 +415,7 @@ class doc_generic_task_odt extends ModelePDFTask
 			}
 			$project= new Project($this->db);
 			$project->fetch($object->fk_project);
+			$project->fetch_thirdparty();
 
 			$dir = $conf->projet->dir_output. "/" . $project->ref. "/";
 			$objectref = dol_sanitizeFileName($object->ref);
@@ -449,7 +450,7 @@ class doc_generic_task_odt extends ModelePDFTask
 
 				dol_mkdir($conf->projet->dir_temp);
 
-				$socobject=$object->thirdparty;
+				$socobject=$project->thirdparty;
 
 				// Make substitution
 				$substitutionarray=array(