diff --git a/bob/bio/base/script/grid_search.py b/bob/bio/base/script/grid_search.py
index ea2dc5e8594291b8008a9bc06322b78ff4b84a75..d04b2b7038e88a387f8e05c67b2278ec61550c5b 100755
--- a/bob/bio/base/script/grid_search.py
+++ b/bob/bio/base/script/grid_search.py
@@ -406,7 +406,7 @@ def main(command_line_parameters = None):
   command_line_options(command_line_parameters)
 
   global configuration, place_holder_key
-  configuration = utils.read_config_file(args.configuration_file)
+  configuration = utils.read_config_file([args.configuration_file])
   place_holder_key = args.place_holder_key
 
   if args.preprocessor:
diff --git a/bob/bio/base/utils/resources.py b/bob/bio/base/utils/resources.py
index 12fe0acbcd2417d4bf27e82a23fbaf58eb914a71..62463007f30df64e3b2e971288565877c46fb39d 100644
--- a/bob/bio/base/utils/resources.py
+++ b/bob/bio/base/utils/resources.py
@@ -47,7 +47,7 @@ def _collect_config(paths):
 
   def _attach_resources(src, dst):
     for k in dir(src):
-      dst.__dict__[k] = getattr(src, k)
+      setattr(dst, k, getattr(src, k))
 
   import random
 
@@ -170,7 +170,7 @@ def load_resource(resource, keyword, imports = ['bob.bio.base'], package_prefix=
 
   # first, look if the resource is a file name
   if os.path.isfile(resource):
-    return read_config_file(resource, keyword)
+    return read_config_file([resource], keyword)
 
   if keyword not in valid_keywords:
     raise ValueError("The given keyword '%s' is not valid. Please use one of %s!" % (str(keyword), str(valid_keywords)))