it a/www/nginx-acme/Makefile b/www/nginx-acme/Makefile
index a85fc8cdc07a..c48493a86ee8 100644
--- a/www/nginx-acme/Makefile
+++ b/www/nginx-acme/Makefile
@@ -47,6 +47,7 @@ RUN_DEPENDS=	${LOCALBASE}/sbin/nginx:www/nginx
 
 .if ${FLAVOR} == devel
 NGINX_VERSION=  ${NGINX_VERSION_DEVEL}
+EXTRA_PATCHES+=	${FILESDIR}/extra-patch-src_conf_order.rs-devel
 .else
 NGINX_VERSION=  ${NGINX_VERSION_DEFAULT}
 .endif
diff --git a/www/nginx-acme/files/extra-patch-src_conf_order.rs-devel b/www/nginx-acme/files/extra-patch-src_conf_order.rs-devel
new file mode 100644
index 000000000000..9284fb470a46
--- /dev/null
+++ b/www/nginx-acme/files/extra-patch-src_conf_order.rs-devel
@@ -0,0 +1,11 @@
+--- src/conf/order.rs.orig	2026-01-06 14:12:56.622627000 +0100
++++ src/conf/order.rs	2026-01-06 14:14:51.810902000 +0100
+@@ -249,7 +249,7 @@ fn validate_host(pool: &Pool, mut host: ngx_str_t) -> 
+ 
+ fn validate_host(pool: &Pool, mut host: ngx_str_t) -> Result<ngx_str_t, Status> {
+     let mut pool = pool.clone();
+-    let rc = Status(unsafe { nginx_sys::ngx_http_validate_host(&mut host, pool.as_mut(), 1) });
++    let rc = Status(unsafe { nginx_sys::ngx_http_validate_host(&mut host, std::ptr::null_mut(), pool.as_mut(), 1) });
+     if rc != Status::NGX_OK {
+         return Err(rc);
+     }