diff --git a/PythonScripts/test_disk.py b/PythonScripts/test_disk.py
index ad03a6c..289613b 100644
--- a/PythonScripts/test_disk.py
+++ b/PythonScripts/test_disk.py
@@ -107,7 +107,7 @@ def check_partition_table(device, log_file):
 
 def run_badblocks(device, log_file):
     print("Running non-destructive read-only badblocks check (this may take time)...")
-    run_cmd(f"sudo badblocks -sv {device}", log_file, check=False)
+    run_cmd(f"sudo badblocks -b 4096 -sv {device}", log_file, check=False)
     print("Badblocks check complete.")