diff --git a/capsules/src/segger_rtt.rs b/capsules/src/segger_rtt.rs
index 89a9ddbf..135e7b45 100644
--- a/capsules/src/segger_rtt.rs
+++ b/capsules/src/segger_rtt.rs
@@ -240,7 +240,7 @@ impl<'a, A: hil::time::Alarm<'a>> uart::Transmit<'a> for SeggerRtt<'a, A> {
 
                     // Start a short timer so that we get a callback and
                     // can issue the callback to the client.
-                    let interval = (100 as u32) * <A::Frequency>::frequency() / 1000000;
+                    let interval = (1000 as u32) * <A::Frequency>::frequency() / 1000000;
                     let tics = self.alarm.now().wrapping_add(interval);
                     self.alarm.set_alarm(tics);
                 })