diff --git a/plone/app/z3cform/widget.py b/plone/app/z3cform/widget.py
index 0409d445..d430f9e3 100644
--- a/plone/app/z3cform/widget.py
+++ b/plone/app/z3cform/widget.py
@@ -694,7 +694,7 @@ def render(self):
             return ''
 
         if isinstance(self.value, RichTextValue):
-            return self.value.output
+            return self.value.output_relative_to(self.context)
 
         return super(RichTextWidget, self).render()