diff --git a/src/device/gpio.rs b/src/device/gpio.rs
index 67b448e..4399540 100644
--- a/src/device/gpio.rs
+++ b/src/device/gpio.rs
@@ -6,7 +6,7 @@ use crate::thermostat::max1968::{self, MAX1968PinSet, MAX1968Phy, PWM_FREQ_KHZ};
 use crate::thermostat::ad7172;
 use stm32_eth::EthPins;
 use stm32f4xx_hal::{
-    gpio::{gpioa::*, gpiob::*, gpioc::*, gpiog::*, GpioExt, Input},
+    gpio::{gpioa::*, gpiob::*, gpioc::*, GpioExt, Input},
     otg_fs::USB,
     pac::{
         GPIOA, GPIOB, GPIOC, GPIOD, GPIOG, OTG_FS_DEVICE, OTG_FS_GLOBAL, OTG_FS_PWRCLK, SPI1, SPI2, SPI3,
@@ -18,7 +18,7 @@ use stm32f4xx_hal::{
 };
 
 pub type EthernetPins =
-    EthPins<PA1<Input>, PA7<Input>, PB11<Input>, PG13<Input>, PB13<Input>, PC4<Input>, PC5<Input>>;
+    EthPins<PA1<Input>, PA7<Input>, PB11<Input>, PB12<Input>, PB13<Input>, PC4<Input>, PC5<Input>>;
 
 pub fn setup(
     clocks: Clocks,
@@ -61,7 +61,7 @@ pub fn setup(
         ref_clk: gpioa.pa1,
         crs: gpioa.pa7,
         tx_en: gpiob.pb11,
-        tx_d0: gpiog.pg13,
+        tx_d0: gpiob.pb12,
         tx_d1: gpiob.pb13,
         rx_d0: gpioc.pc4,
         rx_d1: gpioc.pc5,