diff --git a/server/src/main/java/org/opensearch/index/search/comparators/HalfFloatComparator.java b/server/src/main/java/org/opensearch/index/search/comparators/HalfFloatComparator.java
index ce28fe6812ee5..fa9de2845e48a 100644
--- a/server/src/main/java/org/opensearch/index/search/comparators/HalfFloatComparator.java
+++ b/server/src/main/java/org/opensearch/index/search/comparators/HalfFloatComparator.java
@@ -14,7 +14,6 @@
 import org.apache.lucene.search.Pruning;
 import org.apache.lucene.search.comparators.NumericComparator;
 import org.apache.lucene.util.BitUtil;
-import org.apache.lucene.util.NumericUtils;
 
 import java.io.IOException;
 
@@ -103,12 +102,12 @@ public void copy(int slot, int doc) throws IOException {
 
         @Override
         protected long bottomAsComparableLong() {
-            return NumericUtils.floatToSortableInt(bottom);
+            return HalfFloatPoint.halfFloatToSortableShort(bottom);
         }
 
         @Override
         protected long topAsComparableLong() {
-            return NumericUtils.floatToSortableInt(topValue);
+            return HalfFloatPoint.halfFloatToSortableShort(topValue);
         }
     }