diff --git a/src/blueapi/config.py b/src/blueapi/config.py
index a181f4c344..44c322fc2f 100644
--- a/src/blueapi/config.py
+++ b/src/blueapi/config.py
@@ -236,26 +236,20 @@ class OIDCConfig(BlueapiBaseModel):
 
     @model_validator(mode="after")
     def check_urls(self) -> Self:
-        if self.issuer is None and self.well_known_url is None:
+        if self.issuer is None and self.__dict__.get("well_known_url") is None:
             raise ValueError("Please provide 'OIDCConfig.issuer'")
-        if self.well_known_url:
+        if self.__dict__.get("well_known_url"):
             LOGGER.warning(
-                DeprecationWarning(
-                    "OIDCConfig.well_known_url is deprecated, "
-                    "Please use OIDCConfig.issuer"
-                ),
+                "OIDCConfig.well_known_url is deprecated, Please use OIDCConfig.issuer"
             )
         return self
 
     @cached_property
     def _well_known_url(self) -> str:
         if self.issuer:
-            if self.well_known_url:
+            if self.__dict__.get("well_known_url"):
                 LOGGER.warning(
-                    DeprecationWarning(
-                        "well_known_url and issuer are both set. "
-                        "Defaulting to issuer URL"
-                    ),
+                    "well_known_url and issuer are both set. Defaulting to issuer URL"
                 )
             return self.issuer + "/.well-known/openid-configuration"
         return cast(str, self.well_known_url)