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 2c217aec260..e682cfd9507 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
@@ -582,7 +582,7 @@ class doc_generic_project_odt extends ModelePDFProjects
 				);
 				complete_substitutions_array($substitutionarray, $langs, $object);
 				// Call the ODTSubstitution hook
-				$parameters=array('file'=>$file,'object'=>$object,'outputlangs'=>$outputlangs,'substitutionarray'=>&$tmparray);
+				$parameters=array('file'=>$file,'object'=>$object,'outputlangs'=>$outputlangs,'substitutionarray'=>&$substitutionarray);
 				$reshook=$hookmanager->executeHooks('ODTSubstitution', $parameters, $this, $action);    // Note that $action and $object may have been modified by some hooks
 
 				// Open and load template