diff --git a/src/cursors-component.coffee b/src/cursors-component.coffee
index 55f922cc8..e32a925cf 100644
--- a/src/cursors-component.coffee
+++ b/src/cursors-component.coffee
@@ -29,6 +29,9 @@ CursorsComponent = React.createClass
     @subscribe editor, 'cursors-moved', @pauseCursorBlinking
     @startBlinkingCursors()
 
+  componentWillUnmount: ->
+    @stopBlinkingCursors()
+
   startBlinkingCursors: ->
     @cursorBlinkIntervalHandle = setInterval(@toggleCursorBlink, @props.cursorBlinkPeriod / 2)