diff --git a/src/editor-component.coffee b/src/editor-component.coffee
index 616105dec..b2801017c 100644
--- a/src/editor-component.coffee
+++ b/src/editor-component.coffee
@@ -533,7 +533,7 @@ EditorComponent = React.createClass
 
   onDecorationChanged: ->
     @decorationChangedImmediate ?= setImmediate =>
-      @requestUpdate()
+      @requestUpdate() if @isMounted()
       @decorationChangedImmediate = null
 
   selectToMousePositionUntilMouseUp: (event) ->