diff --git a/scripts/wk/hw/diags.py b/scripts/wk/hw/diags.py
index ff9c7a51..741dba50 100644
--- a/scripts/wk/hw/diags.py
+++ b/scripts/wk/hw/diags.py
@@ -829,7 +829,7 @@ def disk_io_benchmark(state, test_objects, skip_usb=True):
     f'Disk I/O Benchmark{"s" if len(test_objects) > 1 else ""}',
     )
   state.panes['I/O Benchmark'] = tmux.split_window(
-    percent=75,
+    percent=50,
     vertical=True,
     text=' ',
     )