diff --git a/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php b/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php
index ff9787dbb06..e229e40fd8a 100644
--- a/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php
+++ b/htdocs/core/triggers/interface_20_modWorkflow_WorkflowManager.class.php
@@ -463,7 +463,7 @@ class InterfaceWorkflowManager extends DolibarrTriggers
 				$fichinter->fk_project = $projectid;
 				$fichinter->fk_contrat = (int) $object->fk_contract;
 				$fichinter->author = $user->id;
-				$fichinter->model_pdf = 'soleil';
+				$fichinter->model_pdf = (!empty($conf->global->FICHEINTER_ADDON_PDF)) ? $conf->global->FICHEINTER_ADDON_PDF : 'soleil';
 				$fichinter->origin = $object->element;
 				$fichinter->origin_id = $object->id;