diff --git a/esphome/components/usb_uart/ch34x.cpp b/esphome/components/usb_uart/ch34x.cpp
index 74e7933824..37cd33f841 100644
--- a/esphome/components/usb_uart/ch34x.cpp
+++ b/esphome/components/usb_uart/ch34x.cpp
@@ -72,6 +72,7 @@ void USBUartTypeCH34X::enable_channels() {
     if (channel->index_ >= 2)
       cmd += 0xE;
     this->control_transfer(USB_VENDOR_DEV | usb_host::USB_DIR_OUT, cmd, value, (factor << 8) | divisor, callback);
+    this->control_transfer(USB_VENDOR_DEV | usb_host::USB_DIR_OUT, cmd + 3, 0x80, 0, callback);
   }
   USBUartTypeCdcAcm::enable_channels();
 }