diff --git a/hamlpy/hamlpy.py b/hamlpy/hamlpy.py
index 4aa5037..cd7c452 100755
--- a/hamlpy/hamlpy.py
+++ b/hamlpy/hamlpy.py
@@ -4,6 +4,13 @@
 import sys
 
 VALID_EXTENSIONS=['haml', 'hamlpy']
+try:
+    from django.conf import settings
+except ImportError, e:
+    pass
+else:
+    if hasattr(settings, 'HAMLPY_VALID_EXTENSIONS'):
+        VALID_EXTENSIONS.extend(settings.HAMLPY_VALID_EXTENSIONS)
 
 class Compiler:
 
diff --git a/readme.md b/readme.md
index f3b3664..1736a9b 100644
--- a/readme.md
+++ b/readme.md
@@ -91,6 +91,7 @@ For caching, just add `django.template.loaders.cached.Loader` to your TEMPLATE_L
 Following values in Django settings affect haml processing:
 
   * `HAMLPY_ATTR_WRAPPER` -- The character that should wrap element attributes. This defaults to ' (an apostrophe).
+  * `HAMLPY_VALID_EXTENSIONS` -- A list of additional file extensions that are loaded/watched by HamlPy. By default, HamlPy monitors files with `.haml` and `.hamlpy` extensions.
 
 ### Option 2: Watcher