diff --git a/tools/sdbusplus/property.py b/tools/sdbusplus/property.py
index 869eef6..38edd3e 100644
--- a/tools/sdbusplus/property.py
+++ b/tools/sdbusplus/property.py
@@ -9,4 +9,5 @@
         super(Property, self).__init__(**kwargs)
 
     def markdown(self, loader):
-        return self.render(loader, "property.mako.md", property=self).strip()
+        return self.render(loader, "property.mako.md", property=self,
+                           post = str.strip)
diff --git a/tools/sdbusplus/renderer.py b/tools/sdbusplus/renderer.py
index 24e83c8..65541d4 100644
--- a/tools/sdbusplus/renderer.py
+++ b/tools/sdbusplus/renderer.py
@@ -4,4 +4,6 @@
 
     def render(self, loader, template, **kwargs):
         t = loader.get_template(template)
-        return t.render(loader=loader, **kwargs)
+        post = kwargs.pop('post', lambda result: result)
+        r = t.render(loader=loader, **kwargs)
+        return post(r)