diff --git a/druid-hdrhistogram/src/main/java/org/apache/druid/query/aggregation/sketch/HdrHistogram/HdrHistogramAggregatorFactory.java b/druid-hdrhistogram/src/main/java/org/apache/druid/query/aggregation/sketch/HdrHistogram/HdrHistogramAggregatorFactory.java
index 84e3992..fd365b8 100644
--- a/druid-hdrhistogram/src/main/java/org/apache/druid/query/aggregation/sketch/HdrHistogram/HdrHistogramAggregatorFactory.java
+++ b/druid-hdrhistogram/src/main/java/org/apache/druid/query/aggregation/sketch/HdrHistogram/HdrHistogramAggregatorFactory.java
@@ -19,7 +19,7 @@ import java.util.Objects;
 public class HdrHistogramAggregatorFactory extends AggregatorFactory {
     public static final long DEFAULT_LOWEST = 1;
     public static final long DEFAULT_HIGHEST = 2;
-    public static final int DEFAULT_SIGNIFICANT = 3;
+    public static final int DEFAULT_SIGNIFICANT = 1;
     public static final boolean DEFAULT_AUTO_RESIZE = true;
     public static final long BUFFER_AUTO_RESIZE_HIGHEST = 100000000L * 1000000L;
     public static final Comparator<HistogramSketch> COMPARATOR =