diff --git a/hw/bsp/stm32h7rs/boards/stm32h7s3nucleo/board.h b/hw/bsp/stm32h7rs/boards/stm32h7s3nucleo/board.h
index dfa77a8fb..4fb72cce8 100644
--- a/hw/bsp/stm32h7rs/boards/stm32h7s3nucleo/board.h
+++ b/hw/bsp/stm32h7rs/boards/stm32h7s3nucleo/board.h
@@ -61,7 +61,7 @@ static board_pindef_t board_pindef[] = {
   },
   { // Button
     .port = GPIOC,
-    .pin_init = { .Pin = GPIO_PIN_13, .Mode = GPIO_MODE_INPUT, .Pull = GPIO_PULLDOWN, .Speed = GPIO_SPEED_FREQ_HIGH, .Alternate = 0 },
+    .pin_init = { .Pin = GPIO_PIN_13, .Mode = GPIO_MODE_INPUT, .Pull = GPIO_PULLUP, .Speed = GPIO_SPEED_FREQ_HIGH, .Alternate = 0 },
     .active_state = 1
   },
   { // UART TX