From a37f38a0b7cc8eecbcb629d8ce435c3f27206398 Mon Sep 17 00:00:00 2001
From: j <j@mailb.org>
Date: Tue, 9 Jul 2019 12:58:34 +0200
Subject: [PATCH] not all array keys are arrays

---
 static/js/editDocumentsDialog.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/static/js/editDocumentsDialog.js b/static/js/editDocumentsDialog.js
index 4d6b345f1..620cc1530 100644
--- a/static/js/editDocumentsDialog.js
+++ b/static/js/editDocumentsDialog.js
@@ -97,7 +97,8 @@ pandora.ui.editDocumentsDialog = function() {
                     });
                 if (isArray) {
                     values = values.map(function(value) {
-                        return (value || []).join(separator);
+                        value = value || []
+                        return value.join ? value.join(separator) : value;
                     });
                 }
                 if (Ox.unique(values).length > 1) {