diff --git a/contrib/local-environment/nginx.conf b/contrib/local-environment/nginx.conf
index 42fc06e3..ffb5f8e2 100644
--- a/contrib/local-environment/nginx.conf
+++ b/contrib/local-environment/nginx.conf
@@ -20,7 +20,7 @@ server {
 
   # If the auth_request denies the request (401), redirect to the sign_in page
   # and include the final rd URL back to the user's original request.
-  error_page 401 = http://oauth2-proxy.oauth2-proxy.localhost/oauth2/sign_in?rd=$scheme://$host$request_uri;
+  error_page 401 =403 http://oauth2-proxy.oauth2-proxy.localhost/oauth2/sign_in?rd=$scheme://$host$request_uri;
 
   # Alternatively send the request to `start` to skip the provider button
   # error_page 401 = http://oauth2-proxy.oauth2-proxy.localhost/oauth2/start?rd=$scheme://$host$request_uri;
@@ -54,7 +54,7 @@ server {
 
     # If the auth_request denies the request (401), redirect to the sign_in page
     # and include the final rd URL back to the user's original request.
-    error_page 401 = http://oauth2-proxy.oauth2-proxy.localhost/oauth2/sign_in?rd=$scheme://$host$request_uri;
+    error_page 401 =403 http://oauth2-proxy.oauth2-proxy.localhost/oauth2/sign_in?rd=$scheme://$host$request_uri;
 
     # Alternatively send the request to `start` to skip the provider button
     # error_page 401 = http://oauth2-proxy.oauth2-proxy.localhost/oauth2/start?rd=$scheme://$host$request_uri;
diff --git a/docs/docs/configuration/overview.md b/docs/docs/configuration/overview.md
index 746d15cf..aaa3dfd9 100644
--- a/docs/docs/configuration/overview.md
+++ b/docs/docs/configuration/overview.md
@@ -371,7 +371,7 @@ server {
 
   location / {
     auth_request /oauth2/auth;
-    error_page 401 = /oauth2/sign_in;
+    error_page 401 =403 /oauth2/sign_in;
 
     # pass information via X-User and X-Email headers to backend,
     # requires running with --set-xauthrequest flag
diff --git a/docs/versioned_docs/version-7.5.x/configuration/overview.md b/docs/versioned_docs/version-7.5.x/configuration/overview.md
index d65e8e21..5be4ddc3 100644
--- a/docs/versioned_docs/version-7.5.x/configuration/overview.md
+++ b/docs/versioned_docs/version-7.5.x/configuration/overview.md
@@ -370,7 +370,7 @@ server {
 
   location / {
     auth_request /oauth2/auth;
-    error_page 401 = /oauth2/sign_in;
+    error_page 401 =403 /oauth2/sign_in;
 
     # pass information via X-User and X-Email headers to backend,
     # requires running with --set-xauthrequest flag