diff --git a/napalm_openmediavault/openmediavault.py b/napalm_openmediavault/openmediavault.py
index c620061..f9602f6 100644
--- a/napalm_openmediavault/openmediavault.py
+++ b/napalm_openmediavault/openmediavault.py
@@ -49,6 +49,10 @@ class OpenMediaVaultDriver(LinuxDriver):
     """
 
     TYPE_LABEL = "Storage"
+    # Declared outright: the driver inherits LinuxDriver for the OS surface, so
+    # the issubclass chain would otherwise classify an OMV NAS as "linux" and
+    # the UI would never render its Storage tab.
+    DEVICE_CLASS = "storage"
     DRIVER_NAME = "openmediavault"
     driver_name = "openmediavault"
     SSH_FINGERPRINT = [