diff --git a/src/runtime-rs/crates/hypervisor/src/ch/inner_device.rs b/src/runtime-rs/crates/hypervisor/src/ch/inner_device.rs
index cc7885c8bb..2413f67c23 100644
--- a/src/runtime-rs/crates/hypervisor/src/ch/inner_device.rs
+++ b/src/runtime-rs/crates/hypervisor/src/ch/inner_device.rs
@@ -317,8 +317,11 @@ impl CloudHypervisorInner {
         // When using fds to pass the tap device to cloud-hypervisor, tap and id fields should be None
         clh_net_config.tap = None;
         clh_net_config.id = None;
+        // The `config.num_queues` is a queue *pair* count (1 RX + 1 TX per pair).
+        // Convert pairs into the actual queue count.
+        clh_net_config.num_queues = netdev.config.queue_num.max(1) * 2;
 
-        let files = open_named_tuntap(&netdev.config.host_dev_name, netdev.config.queue_num as u32)
+        let files = open_named_tuntap(&netdev.config.host_dev_name, netdev.config.queue_num.max(1) as u32)
             .context("open named tuntap")?;
 
         let fds = files.iter().map(|f| f.as_raw_fd()).collect();