diff --git a/conf/app.ini b/conf/app.ini
index 6eae587..af5ccc6 100644
--- a/conf/app.ini
+++ b/conf/app.ini
@@ -58,8 +58,10 @@ ENABLE_NOTIFY_MAIL = true
 DISABLE_REGISTRATION = true
 ENABLE_CAPTCHA = false
 REQUIRE_SIGNIN_VIEW = false
-ENABLE_REVERSE_PROXY_AUTHENTICATION = true
-ENABLE_REVERSE_PROXY_AUTO_REGISTRATION = true
+# reverse proxy authentication disabled until https://github.com/go-gitea/gitea/pull/18452 is merged
+# as it broke completely the LDAP sync
+ENABLE_REVERSE_PROXY_AUTHENTICATION = false
+ENABLE_REVERSE_PROXY_AUTO_REGISTRATION = false
 
 [picture]
 AVATAR_UPLOAD_PATH = __DATA_DIR__/data/avatars