diff --git a/imagekit/generators.py b/imagekit/generators.py
index 2ad1a25..d064d80 100644
--- a/imagekit/generators.py
+++ b/imagekit/generators.py
@@ -96,3 +96,5 @@ class SpecFileGenerator(object):
             if save:
                 storage = self.storage or source_file.storage
                 storage.save(filename, content)
+
+        return content