diff --git a/anyconfig/backend/bson.py b/anyconfig/backend/bson.py
index fa8e9484..4ec87e4c 100644
--- a/anyconfig/backend/bson.py
+++ b/anyconfig/backend/bson.py
@@ -69,7 +69,7 @@ def load_from_string(self, content, to_container, **kwargs):
             # .. note::
             #    The order of loaded configuration keys may be lost but
             #    there is no way to avoid that, AFAIK.
-            objs = to_container(bson.decode_all(content))
+            objs = [to_container(x) for x in bson.decode_all(content)]
 
         return objs[0] if objs else None