diff --git a/artiq/firmware/libboard_artiq/si5324.rs b/artiq/firmware/libboard_artiq/si5324.rs
index 0382cea1f..6cfc5f827 100644
--- a/artiq/firmware/libboard_artiq/si5324.rs
+++ b/artiq/firmware/libboard_artiq/si5324.rs
@@ -177,7 +177,7 @@ fn locked() -> Result<bool> {
 }
 
 fn monitor_lock() -> Result<()> {
-    info!("waiting for Si5324 lock...")
+    info!("waiting for Si5324 lock...");
     let t = clock::get_ms();
     while !locked()? {
         // Yes, lock can be really slow.