diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 97156dd33b..8569484b2f 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -1079,7 +1079,7 @@ vmxnet3_io_bar0_write(void *opaque, hwaddr addr,
         int tx_queue_idx =
             VMW_MULTIREG_IDX_BY_ADDR(addr, VMXNET3_REG_TXPROD,
                                      VMXNET3_REG_ALIGN);
-        if (tx_queue_idx <= s->txq_num) {
+        if (tx_queue_idx < s->txq_num) {
             vmxnet3_process_tx_queue(s, tx_queue_idx);
         } else {
             qemu_log_mask(LOG_GUEST_ERROR, "vmxnet3: Illegal TX queue %d/%d\n",