diff --git a/opentech/apply/funds/models/mixins.py b/opentech/apply/funds/models/mixins.py
index 1edb02f148b5acc24dccc451467fbde543acb8ba..00f253ddfd135175ade8977a6247b8bd80b1633b 100644
--- a/opentech/apply/funds/models/mixins.py
+++ b/opentech/apply/funds/models/mixins.py
@@ -49,6 +49,8 @@ class AccessFormData:
 
     @classmethod
     def stream_file(cls, file):
+        if not file:
+            return []
         if isinstance(file, StreamFieldFile):
             return file
         if isinstance(file, File):