diff --git a/src/config.py b/src/config.py
index 98f782a..afecd8f 100644
--- a/src/config.py
+++ b/src/config.py
@@ -34,7 +34,7 @@ class Config(CustomBaseSettings):
     DATABASE_NAME: str = "fastapi-exp"
     DATABASE_PORT: str = "5432"
     DATABASE_HOSTNAME: str = "localhost"
-    DATABASE_CREDENTIALS: SecretStr = ""
+    DATABASE_CREDENTIALS: SecretStr = ":"
 
 settings = Config()