diff --git a/s3stream/src/main/java/com/automq/stream/s3/metrics/wrapper/DeltaHistogram.java b/s3stream/src/main/java/com/automq/stream/s3/metrics/wrapper/DeltaHistogram.java
index 0132b50044..18a0ae2703 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/metrics/wrapper/DeltaHistogram.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/metrics/wrapper/DeltaHistogram.java
@@ -146,9 +146,9 @@ private void snapshotAndReset() {
                 long snapshotCount = newCount - lastCount;
                 long snapshotSum = newSum - lastSum;
 
-                double p99 = intervalHistogram.getValueAtPercentile(0.99);
-                double p95 = intervalHistogram.getValueAtPercentile(0.95);
-                double p50 = intervalHistogram.getValueAtPercentile(0.50);
+                double p99 = intervalHistogram.getValueAtPercentile(99);
+                double p95 = intervalHistogram.getValueAtPercentile(95);
+                double p50 = intervalHistogram.getValueAtPercentile(50);
 
                 lastCount = newCount;
                 lastSum = newSum;