diff --git a/src/main/java/org/opensearch/security/configuration/DlsFlsFilterLeafReader.java b/src/main/java/org/opensearch/security/configuration/DlsFlsFilterLeafReader.java
index 873fb46de8..2b390b7c85 100644
--- a/src/main/java/org/opensearch/security/configuration/DlsFlsFilterLeafReader.java
+++ b/src/main/java/org/opensearch/security/configuration/DlsFlsFilterLeafReader.java
@@ -965,7 +965,7 @@ public long nextOrd() throws IOException {
                     }
 
                     @Override
-                    public long docValueCount() {
+                    public int docValueCount() {
                         return sortedSetDocValues.docValueCount();
                     }