diff --git a/formulaires/exporter_formulaire_reponses.php b/formulaires/exporter_formulaire_reponses.php
index 7fbe16af9f4f12e7fa9f245eedf5a80b3a683e70..8ad14ef8acf60623aab0a2df772e8a8032e9c3bf 100644
--- a/formulaires/exporter_formulaire_reponses.php
+++ b/formulaires/exporter_formulaire_reponses.php
@@ -153,7 +153,7 @@ function preparer_formulaire_reponses($formulaire, $reponses, $statut_reponses,
 	);
 
 	if(lire_config('formidable/exporter_adresses_ip')){
-		$titre[] = _T('formidable:reponses_ip');
+		$titres[] = _T('formidable:reponses_ip');
 	}
 
 	if ($statut_reponses != 'publie') {