diff --git a/scripts/wk/hw/disk.py b/scripts/wk/hw/disk.py
index af454005..c84fa69d 100644
--- a/scripts/wk/hw/disk.py
+++ b/scripts/wk/hw/disk.py
@@ -373,6 +373,10 @@ def get_disks_linux() -> list[Disk]:
     if disk_obj.raw_details.get('type', '???') != 'disk':
       continue
 
+    # Skip empty devices (usually card readers)
+    if disk_obj.size <= 0:
+      continue
+
     # Add disk
     disks.append(disk_obj)