diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 0e74502f..fc8e42ed 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -441,7 +441,7 @@ http {
 
         location = /.well-known/mta-sts.txt {}
 
-        location ^~ /.well-known/acme-challenge/ {
+        location /.well-known/acme-challenge/ {
             return 301 https://0.grapheneos.org$request_uri;
         }