diff --git a/module_build_service/config.py b/module_build_service/config.py
index a62dcd4e..80c6f4c4 100644
--- a/module_build_service/config.py
+++ b/module_build_service/config.py
@@ -29,11 +29,8 @@ from os import sys
 
 from module_build_service import logger
 
-imp.load_source('mbs_runtime_config', '/etc/module-build-service/config.py')
-
-DevConfiguration = mbs_runtime_config.DevConfiguration
-TestConfiguration = mbs_runtime_config.TestConfiguration
-ProdConfiguration = mbs_runtime_config.ProdConfiguration
+mbs_runtime_config = imp.load_source('mbs_runtime_config',
+                                     '/etc/module-build-service/config.py')
 
 
 def init_config(app):
@@ -47,11 +44,11 @@ def _init_app_config(app):
     app.config.from_envvar("MBS_SETTINGS", silent=True)
     here = sys.path[0]
     if any(['nosetests' in arg for arg in sys.argv]):
-        app.config.from_object('TestConfiguration')
+        app.config.from_object('mbs_runtime_config.TestConfiguration')
     elif here not in ('/usr/bin', '/bin', '/usr/local/bin'):
-        app.config.from_object('DevConfiguration')
+        app.config.from_object('mbs_runtime_config.DevConfiguration')
     else:
-        app.config.from_object('ProdConfiguration')
+        app.config.from_object('mbs_runtime_config.ProdConfiguration')
 
 
 class Config(object):