diff --git a/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt b/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
index e53724186359cc2b86af4cf1eac763b2a7bd127a..06be6c9903923f7015be5ca1fb533c2750659130 100644
--- a/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
+++ b/app/src/main/java/com/duolebo/blyrobot/MainActivity.kt
@@ -89,6 +89,7 @@ class MainActivity : AppCompatActivity(), IAppBaseCallback {
 
     private fun start() {
         startBtn.isEnabled = false
+        stopBtn.isEnabled = true
         if (TaskManager.instance.tasks.size > 0) {
             startRobot()
         }