diff --git a/src/widgets/layout_resizable/layout_resizable.js b/src/widgets/layout_resizable/layout_resizable.js
index <HASH>..<HASH> 100644
--- a/src/widgets/layout_resizable/layout_resizable.js
+++ b/src/widgets/layout_resizable/layout_resizable.js
@@ -17,6 +17,9 @@
       classes: {
         nosash: 'no-sash',
         vertical: 'vertical'
+      },
+      callbacks: {
+        resize: _.noop
       }
     }
   };
@@ -125,6 +128,8 @@
         $pane.css ( 'flex-basis', dimension ); // So that panes scale properly on resize
       }
 
+      this._trigger ( 'resize' );
+
     }
 
     _updateSashes () {
Layout Resizable: added a `resize` event