diff --git a/halfapi/conf.py b/halfapi/conf.py
index 2003864..5005446 100644
--- a/halfapi/conf.py
+++ b/halfapi/conf.py
@@ -14,7 +14,7 @@ default_config = {
     }
 }
 
-config = ConfigParser()
+config = ConfigParser(allow_no_value=True)
 config.read_dict(default_config)
 config.read(filenames=['.halfapiconfig'])
 
@@ -40,3 +40,5 @@ with open(config.get('project', 'secret')) as secret_file:
 
 PRODUCTION = config.getboolean('project', 'production')
 BASE_DIR = config.get('project', 'base_dir')
+
+DOMAINS = [domain for domain in config.get('domains').keys()]
diff --git a/halfapi/lib/routes.py b/halfapi/lib/routes.py
index 236847f..f60f006 100644
--- a/halfapi/lib/routes.py
+++ b/halfapi/lib/routes.py
@@ -3,8 +3,8 @@ from functools import wraps
 import importlib
 import sys
 
-from halfapi.conf import (PROJECT_NAME, HOST, PORT,
-    PRODUCTION)
+from halfapi.conf import (PROJECT_NAME, DB_NAME, HOST, PORT,
+    PRODUCTION, DOMAINS)
 
 from halfapi.db import (
     Domain,
@@ -17,6 +17,9 @@ from starlette.exceptions import HTTPException
 from starlette.routing import Mount, Route
 from starlette.requests import Request
 
+class DomainNotFoundError(Exception):
+    pass
+
 def get_routes(domains=None):
     """ Procedure to mount the registered domains on their prefixes
 
@@ -43,7 +46,12 @@ def get_routes(domains=None):
         return caller
 
     app_routes = []
-    for domain in Domain(name=domains).select():
+    for domaine_name in DOMAINS:
+        try:
+            domain = next(Domain(name=domain_name).select())
+        except StopIteration:
+            raise DomainNotFoundError(
+                f"Domain '{domain_name}' not found in '{DB_NAME}' database!")
         domain_acl_mod = importlib.import_module(f'{domain["name"]}.acl')
         domain_routes = []
         for router in APIRouter(domain=domain['name']).select():