diff --git a/spark/src/main/scala/org/apache/spark/sql/comet/operators.scala b/spark/src/main/scala/org/apache/spark/sql/comet/operators.scala
index 0b98b62c06..dd1526d82c 100644
--- a/spark/src/main/scala/org/apache/spark/sql/comet/operators.scala
+++ b/spark/src/main/scala/org/apache/spark/sql/comet/operators.scala
@@ -523,7 +523,7 @@ case class CometSortExec(
     CometMetricNode.baselineMetrics(sparkContext) ++
       Map(
         "spill_count" -> SQLMetrics.createMetric(sparkContext, "number of spills"),
-        "spilled_bytes" -> SQLMetrics.createNanoTimingMetric(sparkContext, "total spilled bytes"))
+        "spilled_bytes" -> SQLMetrics.createSizeMetric(sparkContext, "total spilled bytes"))
 }
 
 case class CometLocalLimitExec(