diff --git a/api/ble.py b/api/ble.py
index 46d6b53..041a7c5 100644
--- a/api/ble.py
+++ b/api/ble.py
@@ -341,13 +341,14 @@ if __name__ == "__main__":
 
     # calculate the BT ID and pass to test
     present_usb_ids_command = "lsusb | awk '{print $6}'"
+    # Capture each USB ID as a separate line
     present_usb_id_output = subprocess.run(
         present_usb_ids_command,
         shell=True,
         capture_output=True,
         text=True,
         check=True,
-    ).stdout
+    ).stdout.splitlines()
     current_usb_id = ''
     for usb_id in present_usb_id_output:
         log.info(f"usb_id - {usb_id} | bt_usb_ids - {bt_usb_ids}")