diff --git a/embed/trezorhal/usb.c b/embed/trezorhal/usb.c
index 401fc7114..1693023e8 100644
--- a/embed/trezorhal/usb.c
+++ b/embed/trezorhal/usb.c
@@ -97,7 +97,7 @@ void usb_init(const usb_dev_info_t *dev_info) {
     usb_config_desc->bConfigurationValue = 0x01;
     usb_config_desc->iConfiguration      = USBD_IDX_CONFIG_STR;
     usb_config_desc->bmAttributes        = 0x80; // 0x80 = bus powered; 0xC0 = self powered
-    usb_config_desc->bMaxPower           = 0xFA; // Maximum Power Consumption in 2mA units
+    usb_config_desc->bMaxPower           = 0x32; // Maximum Power Consumption in 2mA units
 
     // Pointer to interface descriptor data
     usb_next_iface_desc = (usb_interface_descriptor_t *)(usb_config_buf + usb_config_desc->wTotalLength);