diff --git a/settings.py b/settings.py
index 451aad0..6a3b817 100644
--- a/settings.py
+++ b/settings.py
@@ -1,6 +1,11 @@
 from os import environ
 
 PORT = 80
+DB_URL = (
+    environ.get("DATABASE_URL", "").replace("postgres://", "postgresql://")
+    or environ.get("DB_URL", "").replace("postgres://", "postgresql://")
+    or "postgresql://postgres@localhost:5432/discoursio"
+)
 REDIS_URL = environ.get("REDIS_URL") or "redis://127.0.0.1"
 API_BASE = environ.get("API_BASE") or ""
 AUTH_URL = environ.get("AUTH_URL") or ""