diff --git a/tests/conftest.py b/tests/conftest.py
index 2969f47..2973e33 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -64,7 +64,7 @@ def load_schema_db(schema):
     os.makedirs(bijoe_schema_dir)
 
     try:
-        with closing(psycopg2.connect('')) as conn:
+        with closing(psycopg2.connect(user=os.environ.get('USER'), dbname='postgres')) as conn:
             conn.set_isolation_level(0)
             with conn.cursor() as cursor:
                 cursor.execute('CREATE DATABASE %s' % database_name)
@@ -114,7 +114,7 @@ def load_schema_db(schema):
                 d['tables'] = json.load(f)
         yield d
     finally:
-        with closing(psycopg2.connect('')) as conn:
+        with closing(psycopg2.connect(user=os.environ.get('USER'), dbname='postgres')) as conn:
             conn.set_isolation_level(0)
             with conn.cursor() as cursor:
                 cursor.execute('DROP DATABASE IF EXISTS %s' % database_name)