diff --git a/core/src/services/memcached/backend.rs b/core/src/services/memcached/backend.rs
index 2fe649aa6bcc..2e8526c0cbf7 100644
--- a/core/src/services/memcached/backend.rs
+++ b/core/src/services/memcached/backend.rs
@@ -83,6 +83,8 @@ impl MemcachedBuilder {
         } else {
             Some(root.to_string())
         };
+
+        self
     }
 
     /// set the username.