diff --git a/synthesis/module.py b/synthesis/module.py
index c2bbe09a9673d88d419f0f5a3d30a919b076c7df..9be0bec87307d8d1d79818456d8a1b0845722803 100644
--- a/synthesis/module.py
+++ b/synthesis/module.py
@@ -382,7 +382,7 @@ class Module(object):
         modules = self.make_list_of_modules()
         files = []
         for module in modules:
-            tmp = module.extract_file_from_module(extensions=extensions)
+            tmp = module.extract_files_from_module(extensions=extensions)
             files.extend(tmp)
 
         return files