diff --git a/internal_packages/composer-markdown/lib/markdown-editor.cjsx b/internal_packages/composer-markdown/lib/markdown-editor.cjsx
index 014c5fa46..677b90261 100644
--- a/internal_packages/composer-markdown/lib/markdown-editor.cjsx
+++ b/internal_packages/composer-markdown/lib/markdown-editor.cjsx
@@ -74,6 +74,9 @@ class MarkdownEditor extends React.Component
   getPreviousSelection: ->
 
   setSelection: ->
+    textarea = ReactDOM.findDOMNode(@refs.textarea),
+    sel = document.getSelection()
+    sel.setBaseAndExtent(textarea, 0, textarea, 0)
 
   _onDOMMutated: ->