diff --git a/lib/index.js b/lib/index.js
index e4e4bb1..9d9ff6b 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -29,6 +29,7 @@ var bluetest = module.exports = function(options) {
   core.gattConnected = function() {
     logger.debug('Gatt connected!!!!!');
 
+    core.gatt.stdin.write('primary\n');
   };
 
   core.connectGatt = function() {