diff --git a/rust-arroyo/src/processing/strategies/reduce.rs b/rust-arroyo/src/processing/strategies/reduce.rs
index 1ce00125..e50a672c 100644
--- a/rust-arroyo/src/processing/strategies/reduce.rs
+++ b/rust-arroyo/src/processing/strategies/reduce.rs
@@ -177,8 +177,7 @@ impl<T, TResult: Clone> Reduce<T, TResult> {
             return Ok(());
         }
 
-        // FIXME: this used to be in seconds
-        timer!("arroyo.strategies.reduce.batch_time", batch_time);
+        timer!("arroyo.strategies.reduce.batch_time.ms", batch_time);
 
         let batch_state = mem::replace(
             &mut self.batch_state,