diff --git a/src/packages/markdown-preview/src/markdown-preview.coffee b/src/packages/markdown-preview/src/markdown-preview.coffee
index dcf5a97fe..7c6a6e965 100644
--- a/src/packages/markdown-preview/src/markdown-preview.coffee
+++ b/src/packages/markdown-preview/src/markdown-preview.coffee
@@ -25,8 +25,7 @@ class MarkdownPreview extends ScrollView
       @attach()
 
   attach: ->
-    path = rootView.getActiveEditor()?.getPath()
-    return unless @isMarkdownFile(path)
+    return unless @isMarkdownFile(@getActivePath())
     @rootView.append(this)
     @markdownBody.hide()
     @markdownSpinner.show()