diff --git a/apps/anvil/src/auth/authentication/authentication.controller.ts b/apps/anvil/src/auth/authentication/authentication.controller.ts
index 0e05d8f..d56ec99 100644
--- a/apps/anvil/src/auth/authentication/authentication.controller.ts
+++ b/apps/anvil/src/auth/authentication/authentication.controller.ts
@@ -85,7 +85,7 @@ export class AuthenticationController {
     try {
       await this.blacklistService.addToBlacklist(refreshToken, expiryDate);
     } catch (error) {
-      throw new ConflictException("Refresh token is invalid or expired");
+      throw new ConflictException({ message: "Refresh token is invalid or expired" }, { cause: error });
     }
 
     this.authService.clearAuthCookies(res);