diff --git a/packages/backend-rs/src/config/server.rs b/packages/backend-rs/src/config/server.rs
index b822d0d300..5a4ee481cd 100644
--- a/packages/backend-rs/src/config/server.rs
+++ b/packages/backend-rs/src/config/server.rs
@@ -320,7 +320,7 @@ fn load_config() -> Config {
     } else {
         server_config.redis.prefix.clone()
     }
-    .unwrap_or(host.clone());
+    .unwrap_or(hostname.clone());
 
     Config {
         url: server_config.url,