diff --git a/scripts/wk/hw/diags.py b/scripts/wk/hw/diags.py
index 40b84e2e..9925dd27 100644
--- a/scripts/wk/hw/diags.py
+++ b/scripts/wk/hw/diags.py
@@ -1285,7 +1285,7 @@ def screensaver(name):
 
   # Switch pane to fullscreen and start screensaver
   tmux.zoom_pane()
-  exe.run_program(cmd, check=False, pipe=False)
+  exe.run_program(cmd, check=False, pipe=False, stderr=subprocess.PIPE)
   tmux.zoom_pane()