diff --git a/ports/stm/peripherals/stm32f7/stm32f767xx/periph.h b/ports/stm/peripherals/stm32f7/stm32f767xx/periph.h
index f1878ee2e6..98aa5782a8 100644
--- a/ports/stm/peripherals/stm32f7/stm32f767xx/periph.h
+++ b/ports/stm/peripherals/stm32f7/stm32f767xx/periph.h
@@ -52,4 +52,6 @@ const mcu_periph_obj_t mcu_uart_rx_list[25];
 #define TIM_PIN_ARRAY_LEN 55
 TIM_TypeDef * mcu_tim_banks[TIM_BANK_ARRAY_LEN];
 
+const mcu_tim_pin_obj_t mcu_tim_pin_list[TIM_PIN_ARRAY_LEN];
+
 #endif // MICROPY_INCLUDED_STM32_PERIPHERALS_STM32F767XX_PERIPH_H
\ No newline at end of file