diff --git a/src/fan_controller.rs b/src/fan_controller.rs
index 5b7bf10..dcd7068 100644
--- a/src/fan_controller.rs
+++ b/src/fan_controller.rs
@@ -32,14 +32,14 @@ impl FanController {
 
     pub fn fan_on(&mut self) -> Result<(), Box<dyn std::error::Error>> {
         let mut parts = self.expander.split();
-        parts.p0.set_high().unwrap();
+        parts.p0.set_low().unwrap();
         self.is_running = true;
         Ok(())
     }
 
     pub fn fan_off(&mut self) -> Result<(), Box<dyn std::error::Error>> {
         let mut parts = self.expander.split();
-        parts.p0.set_low().unwrap();
+        parts.p0.set_high().unwrap();
         self.is_running = false;
         Ok(())
     }
diff --git a/src/main.rs b/src/main.rs
index 4fd769d..1ef33c9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -43,6 +43,8 @@ fn main() -> Result<(), Box<dyn Error>> {
     let mut last_disk_update = Instant::now() - disk_update_interval;
     info!("Starting main loop");
 
+    fan_controller.fan_off()?;
+
     loop {
         sys.refresh_cpu();
         sys.refresh_memory();