diff --git a/server/middlewares/passport.ts b/server/middlewares/passport.ts
index aa5e663a6..849603f71 100644
--- a/server/middlewares/passport.ts
+++ b/server/middlewares/passport.ts
@@ -1,5 +1,6 @@
 import passport from "@outlinewiki/koa-passport";
 import { Context } from "koa";
+import { InternalOAuthError } from "passport-oauth2";
 import env from "@server/env";
 import { AuthenticationError } from "@server/errors";
 import Logger from "@server/logging/Logger";
@@ -16,7 +17,10 @@ export default function createMiddleware(providerName: string) {
       },
       async (err, user, result: AuthenticationResult) => {
         if (err) {
-          Logger.error("Error during authentication", err);
+          Logger.error(
+            "Error during authentication",
+            err instanceof InternalOAuthError ? err.oauthError : err
+          );
 
           if (err.id) {
             const notice = err.id.replace(/_/g, "-");