diff --git a/configs/usb_hdd.yaml b/configs/usb_hdd.yaml
index c0d1086..47f759b 100644
--- a/configs/usb_hdd.yaml
+++ b/configs/usb_hdd.yaml
@@ -17,7 +17,7 @@
         prefill_files: false
         params:
             FILENAME: /media/koder/a5230078-4c27-4c3b-99aa-26148e78b2e7/xxx.bin
-            NUM_ROUNDS: 3
+            NUM_ROUNDS: 1
 
 logging:
     extra_logs: 1
\ No newline at end of file