diff --git a/compressor/base.py b/compressor/base.py
index ccd1e8e..10ccb6f 100644
--- a/compressor/base.py
+++ b/compressor/base.py
@@ -221,7 +221,7 @@ class Compressor(object):
                     raise FilterDoesNotExist('Could not find "%s".' %
                             filter_or_command)
                 else:
-                    return True, precompiler_class(content,
+                    return True, precompiler_class(content, attrs,
                             filter_type=self.type, filename=filename).input(
                             **kwargs)
         return False, content