diff --git a/miosix/arch/cortexM4_stm32f4/stm32f429zi_skyward_groundstation_v2/interfaces-impl/hwmapping.h b/miosix/arch/cortexM4_stm32f4/stm32f429zi_skyward_groundstation_v2/interfaces-impl/hwmapping.h
index 25706eb0dad96536e1725258e4709f954725e6bf..b7264ce959322aa537e34183ad70b3335bcc2629 100644
--- a/miosix/arch/cortexM4_stm32f4/stm32f429zi_skyward_groundstation_v2/interfaces-impl/hwmapping.h
+++ b/miosix/arch/cortexM4_stm32f4/stm32f429zi_skyward_groundstation_v2/interfaces-impl/hwmapping.h
@@ -64,7 +64,7 @@ namespace pc13
 {
 using cs   = Gpio<GPIOC_BASE, 13>;
 using dio0 = Gpio<GPIOF_BASE, 6>;
-using dio1 = Gpio<GPIOA_BASE, 2>;
+using dio1 = Gpio<GPIOA_BASE, 4>;
 using dio3 = Gpio<GPIOC_BASE, 11>;
 using nrst = Gpio<GPIOC_BASE, 14>;
 }  // namespace pc13