diff --git a/src/client.js b/src/client.js
index cd59a067..9f3ddf8e 100644
--- a/src/client.js
+++ b/src/client.js
@@ -504,6 +504,7 @@ function makeClientConstructor(methods) {
         callback(null, metadata);
       };
     }
+    this.server_address = address;
     this.channel = new grpc.Channel(address, options);
   }