diff --git a/python/spdk/sma/device/vhost_blk.py b/python/spdk/sma/device/vhost_blk.py
index deed4c3c9..9301f08a7 100644
--- a/python/spdk/sma/device/vhost_blk.py
+++ b/python/spdk/sma/device/vhost_blk.py
@@ -219,4 +219,6 @@ class VhostBlkDeviceManager(DeviceManager):
                                   'Failed to set QoS')
 
     def get_qos_capabilities(self, request):
-        return qos.get_bdev_qos_capabilities()
+        bdev_caps = qos.get_bdev_qos_capabilities().max_volume_caps
+        return sma_pb2.GetQosCapabilitiesResponse(max_volume_caps=bdev_caps,
+                                                  max_device_caps=bdev_caps)
diff --git a/test/sma/vhost_blk.sh b/test/sma/vhost_blk.sh
index 3012fc7fa..550cf08f1 100755
--- a/test/sma/vhost_blk.sh
+++ b/test/sma/vhost_blk.sh
@@ -203,6 +203,12 @@ device=$(create_device 0 $uuid | jq -r '.handle')
 diff <(get_qos_caps $device_vhost | jq --sort-keys) <(
 	jq --sort-keys <<- CAPS
 		{
+		  "max_device_caps": {
+		    "rw_iops": true,
+		    "rd_bandwidth": true,
+		    "wr_bandwidth": true,
+		    "rw_bandwidth": true
+		  },
 		  "max_volume_caps": {
 		    "rw_iops": true,
 		    "rd_bandwidth": true,