diff --git a/ipyleaflet/leaflet.py b/ipyleaflet/leaflet.py
index 057f825c1..aad72ad86 100644
--- a/ipyleaflet/leaflet.py
+++ b/ipyleaflet/leaflet.py
@@ -406,7 +406,7 @@ class MarkerCluster(Layer):
 
 class LayerGroup(Layer):
     _view_name = Unicode('LeafletLayerGroupView').tag(sync=True)
-    _view_name = Unicode('LeafletLayerGroupModel').tag(sync=True)
+    _model_name = Unicode('LeafletLayerGroupModel').tag(sync=True)
 
     layers = List(Instance(Layer)).tag(sync=True, **widget_serialization)
 
diff --git a/js/src/jupyter-leaflet.js b/js/src/jupyter-leaflet.js
index d2c33591a..6847a7b1d 100644
--- a/js/src/jupyter-leaflet.js
+++ b/js/src/jupyter-leaflet.js
@@ -752,7 +752,7 @@ var LeafletMarkerClusterModel = LeafletLayerModel.extend({
 var LeafletLayerGroupModel = LeafletLayerModel.extend({
     defaults: _.extend({}, LeafletLayerModel.prototype.defaults, {
         _view_name : 'LeafletLayerGroupView',
-        _view_name : 'LeafletLayerGroupModel',
+        _model_name : 'LeafletLayerGroupModel',
         layers : []
     })
 }, {