diff --git a/f9/src/app.rs b/f9/src/app.rs
index 3df8be5..ec4223f 100644
--- a/f9/src/app.rs
+++ b/f9/src/app.rs
@@ -158,7 +158,7 @@ impl App {
 
     pub fn run() {
         loop {
-            crate::Timer::instance().borrow_mut().update();
+            crate::Timer::update();
             std::thread::sleep(Duration::from_millis(1));
             //self.dispatch_immsg();
             //self.dispatch_httprequest();
diff --git a/f9/src/timer.rs b/f9/src/timer.rs
index 0d621a2..f144e23 100644
--- a/f9/src/timer.rs
+++ b/f9/src/timer.rs
@@ -58,9 +58,10 @@ impl Timer {
         self.base.borrow_mut().uninit();
     }
 
-    pub fn update(&mut self) {
-        r9::xtimer::XTimer::update(&self.base);
-        //return self.base.borrow_mut().update();
+    pub fn update() {
+        //r9::xtimer::XTimer::update(&self.base);
+        let base = Timer::instance().borrow_mut().base.clone();
+        r9::xtimer::XTimer::update(&base);
     }
 
     pub fn set_timeout(&mut self, time: i32, cb: TimerCb) -> TimerWp {