diff --git a/ex03/src/main.c b/ex03/src/main.c
index 36a232b..c62e0fc 100644
--- a/ex03/src/main.c
+++ b/ex03/src/main.c
@@ -12,7 +12,7 @@ int main(void) {
 
 	while (true) {
 		uint16_t raw  = adc_read_pin_10bit(ADC_TEMP);
-		uint16_t temp = (int16_t)((int32_t)raw - 324) / 1.22;
+		uint16_t temp = (int16_t)((double)raw - 324.31) / 1.22;
 
 		uart_send_u16(temp);
 		uart_sendstring("C\r\n");