diff --git a/src/model/DataSourceModel.js b/src/model/DataSourceModel.js
index 2c9d3de4..649674f3 100644
--- a/src/model/DataSourceModel.js
+++ b/src/model/DataSourceModel.js
@@ -163,7 +163,7 @@ export class DataSourceModel {
               source : this,
               name: d.feature_name,
               tags: [d[typeField] !== '' ? d[typeField] : null],
-              aliases: d.feature_aliases !== '' ?  d.feature_aliases.split(',') : [],
+              aliases: d.feature_aliases && d.feature_aliases !== '' ?  d.feature_aliases.split(',') : [],
               coordinates: { start: d.feature_start, stop: d.feature_stop }
             })
           );