diff --git a/sassutils/builder.py b/sassutils/builder.py
index 7f6657bf..ec9fac72 100644
--- a/sassutils/builder.py
+++ b/sassutils/builder.py
@@ -168,6 +168,9 @@ def build_one(self, package_dir, filename):
         root_path = os.path.join(package_dir, self.sass_path)
         css = compile(filename=sass_filename, include_paths=[root_path])
         css_path = os.path.join(package_dir, self.css_path, css_filename)
+        css_folder = os.path.dirname(css_path)
+        if not os.path.exists(css_folder):
+            os.makedirs(css_folder)
         with open(css_path, 'w') as f:
             f.write(css)
         return css_filename