diff --git a/src/rpc.rs b/src/rpc.rs
index 3761511a2..ee9a368f4 100644
--- a/src/rpc.rs
+++ b/src/rpc.rs
@@ -58,6 +58,7 @@ impl JsonRpcService {
                         server.unwrap().close();
                         break;
                     }
+                    sleep(Duration::from_millis(100));
                 }
                 ()
             })