diff --git a/libboard_zynq/src/timer/global.rs b/libboard_zynq/src/timer/global.rs
index 5c4746e..71069f6 100644
--- a/libboard_zynq/src/timer/global.rs
+++ b/libboard_zynq/src/timer/global.rs
@@ -110,7 +110,7 @@ impl embedded_hal::timer::CountDown for CountDown {
     }
 
     fn wait(&mut self) -> nb::Result<(), Void> {
-        if self.timer.get_time() < self.timeout {
+        if self.timer.get_time() <= self.timeout {
             Err(nb::Error::WouldBlock)
         } else {
             Ok(())