diff --git a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
index 2a236e6d62c..06b188496a5 100644
--- a/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
+++ b/htdocs/core/modules/project/doc/doc_generic_project_odt.modules.php
@@ -274,6 +274,7 @@ class doc_generic_project_odt extends ModelePDFProjects
 		return array(
 		'tasktime_rowid'=>$tasktime['rowid'],
 		'tasktime_task_date'=>dol_print_date($tasktime['task_date'],'day'),
+		'tasktime_task_duration_sec'=>$tasktime['task_duration'],
 		'tasktime_task_duration'=>convertSecondToTime($tasktime['task_duration'],'all'),
 		'tasktime_note'=>$tasktime['note'],
 		'tasktime_fk_user'=>$tasktime['fk_user'],