diff --git a/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java b/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
index f443bbbb..6383722c 100644
--- a/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
+++ b/src/main/java/org/dynmap/web/handlers/ClientUpdateHandler.java
@@ -79,5 +79,6 @@ public class ClientUpdateHandler implements HttpHandler {
         response.fields.put("Content-Length", Integer.toString(bytes.length));
         BufferedOutputStream out = new BufferedOutputStream(response.getBody());
         out.write(bytes);
+        out.flush();
     }
 }
\ No newline at end of file