From f1e58176d8ef8f1c8bb78ba154978c871072fac7 Mon Sep 17 00:00:00 2001
From: Drath <drath@drath.cc>
Date: Mon, 13 Apr 2026 21:13:36 +0200
Subject: [PATCH] bugfix

---
 src/fan_driver.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/fan_driver.h b/src/fan_driver.h
index 899600a..e22958d 100644
--- a/src/fan_driver.h
+++ b/src/fan_driver.h
@@ -114,7 +114,10 @@ static void fan_driver_compute_rpm(void) {
 static void fan_driver_control_loop(void) {
     // if we need to power down, disable power pin and return
     fan_driver_set_power(!fan_driver_powered_down);
-    if (fan_driver_powered_down) return;
+    if (fan_driver_powered_down) {
+        fan_driver_current_rpm = 0;
+        return;
+    }
 
     // see if fan stalled, set rpm to 0 and return if it is
     static uint32_t last_delta_idx = 0xffffffff;