diff --git a/artiq/firmware/libboard_artiq/jesd204sync.rs b/artiq/firmware/libboard_artiq/jesd204sync.rs
index 49dd55ce8..075656d76 100644
--- a/artiq/firmware/libboard_artiq/jesd204sync.rs
+++ b/artiq/firmware/libboard_artiq/jesd204sync.rs
@@ -327,7 +327,7 @@ fn sysref_cal_dac(dacno: u8) -> Result<u8, &'static str> {
         }
     }
 
-    info!("  ...done, value={}", delay);
+    info!("  ...done, delay={}", delay);
     Ok(delay)
 }