diff --git a/web/client/components/map/openlayers/Layer.jsx b/web/client/components/map/openlayers/Layer.jsx
index 2d7a5154c7..920d9d7c03 100644
--- a/web/client/components/map/openlayers/Layer.jsx
+++ b/web/client/components/map/openlayers/Layer.jsx
@@ -30,6 +30,7 @@ const OpenlayersLayer = React.createClass({
             observables: [],
             onLayerLoading: () => {},
             onLayerLoad: () => {},
+            onLayerError: () => {},
             onInvalid: () => {}
         };
     },