diff --git a/core/src/main/java/org/elasticsearch/search/slice/DocValuesSliceQuery.java b/core/src/main/java/org/elasticsearch/search/slice/DocValuesSliceQuery.java
index 4f334ebf0d1..95cafacedde 100644
--- a/core/src/main/java/org/elasticsearch/search/slice/DocValuesSliceQuery.java
+++ b/core/src/main/java/org/elasticsearch/search/slice/DocValuesSliceQuery.java
@@ -19,6 +19,7 @@
 
 package org.elasticsearch.search.slice;
 
+import com.carrotsearch.hppc.BitMixer;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.DocValues;
 import org.apache.lucene.index.SortedNumericDocValues;
@@ -51,7 +52,7 @@ public final class DocValuesSliceQuery extends SliceQuery {
                     public boolean get(int doc) {
                         values.setDocument(doc);
                         for (int i = 0; i < values.count(); i++) {
-                            return contains(Long.hashCode(values.valueAt(i)));
+                            return contains(BitMixer.mix(values.valueAt(i)));
                         }
                         return contains(0);
                     }
diff --git a/core/src/test/java/org/elasticsearch/search/slice/DocValuesSliceQueryTests.java b/core/src/test/java/org/elasticsearch/search/slice/DocValuesSliceQueryTests.java
index dee2ae67914..846c411881f 100644
--- a/core/src/test/java/org/elasticsearch/search/slice/DocValuesSliceQueryTests.java
+++ b/core/src/test/java/org/elasticsearch/search/slice/DocValuesSliceQueryTests.java
@@ -19,6 +19,7 @@
 
 package org.elasticsearch.search.slice;
 
+import com.carrotsearch.hppc.BitMixer;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.document.SortedNumericDocValuesField;
@@ -77,8 +78,8 @@ public class DocValuesSliceQueryTests extends ESTestCase {
             doc.add(new SortedNumericDocValuesField("intField", intValue));
             doc.add(new SortedNumericDocValuesField("doubleField",  doubleValue));
             w.addDocument(doc);
-            sliceCounters1[Math.floorMod(Long.hashCode(intValue), max)] ++;
-            sliceCounters2[Math.floorMod(Long.hashCode(doubleValue), max)] ++;
+            sliceCounters1[Math.floorMod(BitMixer.mix((long) intValue), max)] ++;
+            sliceCounters2[Math.floorMod(BitMixer.mix(doubleValue), max)] ++;
             keys.add(uuid);
         }
         final IndexReader reader = w.getReader();