diff --git a/main.js b/main.js
index 9c7feb6..7946ead 100644
--- a/main.js
+++ b/main.js
@@ -39,7 +39,7 @@ const onButtonClick = async () => {
     document.querySelector('.loading').removeAttribute('hidden')
     document.querySelector('.form').setAttribute('hidden', '')
     navigator.bluetooth.addEventListener('advertisementreceived', event => {
-      if (event.device.name !== 'MIBCS') return
+      if (event.device.name !== 'MIBCS' || event.device.name !== 'MIBFS') return
       document.querySelector('.loading').setAttribute('hidden', '')
       document.querySelector('.scale').removeAttribute('hidden')
       event.serviceData.forEach((valueDataView) => {  
@@ -69,4 +69,4 @@ const onInputChange = (e) => {
 
 document.querySelector('input[name="height"]').addEventListener('keyup', onInputChange)
 document.querySelector('input[name="age"]').addEventListener('keyup', onInputChange)
-document.querySelector('.button.start').addEventListener('click', onButtonClick)
\ No newline at end of file
+document.querySelector('.button.start').addEventListener('click', onButtonClick)