diff --git a/Core/Src/main.c b/Core/Src/main.c
index 06dae20..a23146b 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -226,7 +226,7 @@ void button_init_and_test(void)
 		for (size_t i = 0; i < 5; i++) {
 			pressed_elements >>= 1;
 
-			size_t input = !HAL_GPIO_ReadPin(sw_button_locations[i][0], sw_button_locations[i][1]);
+			size_t input = !HAL_GPIO_ReadPin((GPIO_TypeDef *) sw_button_locations[i][0], sw_button_locations[i][1]);
 
 			if (input) {
 				pressed_elements |= 0x20;