diff --git a/crates/shadowsocks-service/src/local/socks/server/mod.rs b/crates/shadowsocks-service/src/local/socks/server/mod.rs
index d3308fd26371..c56e857964e8 100644
--- a/crates/shadowsocks-service/src/local/socks/server/mod.rs
+++ b/crates/shadowsocks-service/src/local/socks/server/mod.rs
@@ -118,6 +118,8 @@ impl Socks {
             let udp_bind_addr = self.udp_bind_addr.as_ref().unwrap_or(client_config);
             let udp_bind_addr = Arc::new(udp_bind_addr.clone());
             Some(udp_bind_addr)
+        } else if let Some(ref ua) = self.udp_bind_addr {
+            Some(Arc::new(ua.clone()))
         } else {
             None
         };