diff --git a/settings.py b/settings.py
index 757a09c..ff9be76 100644
--- a/settings.py
+++ b/settings.py
@@ -4,11 +4,13 @@ import dj_database_url
 
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 
-DATABASES = {
-    'default': dj_database_url.config(default=DATABASE_URL)
-}
 
-if not DATABASE_URL:
+DATABASES = {}
+
+if DATABASE_URL:
+    # Reads string from DATABASE_URL env by default
+    DATABASES['default'] = dj_database_url.config()
+else:
     DATABASES['default'] = {
         'ENGINE': 'django.db.backends.postgresql',
         'NAME': DATABASE_NAME,