diff --git a/src/main.c b/src/main.c
index 036a50e..1f3ca78 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,7 +54,7 @@ static void *sensors_thread(void *arg) {
 	cpu_detect(&sensors->cpu, cpu_pcidev);
 	gpu_detect(&sensors->gpu, gpu_pcidev);
 	sys_detect(&sensors->sys, "nct6775.656");
-	aio_detect(&sensors->aio, 37.0f, 38.0f);
+	aio_detect(&sensors->aio, 37.0f, 38.0f, 40.0f);
 
 	/* main sensor loop */
 	applog(LOG_START, "reached sensors main loop");