diff --git a/src/aio.c b/src/aio.c
index c5ecea1..e17797a 100644
--- a/src/aio.c
+++ b/src/aio.c
@@ -11,7 +11,7 @@ static constexpr uint8_t max_curve_points = 7;
 
 static struct aio_params_t params = {
 	.fans = {
-		.setpoint = 40.0f,
+		.setpoint = 43.5f,
 		.min_duty = 20,
 		.max_duty = 80,
 		.fan_stop = false,