diff --git a/rd_ui/app/scripts/services/resources.js b/rd_ui/app/scripts/services/resources.js
index 303276ad89..08ad8c688a 100644
--- a/rd_ui/app/scripts/services/resources.js
+++ b/rd_ui/app/scripts/services/resources.js
@@ -22,7 +22,7 @@
             } else if (_.isString(v) && v.match(/^\d{4}-\d{2}-\d{2}/)) {
               row[k] = moment(v);
               columnTypes[k] = 'date';
-            } else if (typeof(v) == 'object') {
+            } else if (typeof(v) == 'object' && v !== null) {
               row[k] = JSON.stringify(v);
             }
           }, this);