diff --git a/src/editor-component.coffee b/src/editor-component.coffee
index a0f731264..1717cebe0 100644
--- a/src/editor-component.coffee
+++ b/src/editor-component.coffee
@@ -518,6 +518,8 @@ EditorComponent = React.createClass
     @onStoppedScrollingAfterDelay()
 
   onStoppedScrolling: ->
+    return unless @isMounted()
+
     @scrollingVertically = false
     @mouseWheelScreenRow = null
     @requestUpdate()