diff --git a/search-services/alfresco-solrclient-lib/src/main/java/org/alfresco/solr/client/SOLRAPIClient.java b/search-services/alfresco-solrclient-lib/src/main/java/org/alfresco/solr/client/SOLRAPIClient.java
index 51864069b..34ed2623d 100644
--- a/search-services/alfresco-solrclient-lib/src/main/java/org/alfresco/solr/client/SOLRAPIClient.java
+++ b/search-services/alfresco-solrclient-lib/src/main/java/org/alfresco/solr/client/SOLRAPIClient.java
@@ -803,7 +803,7 @@ public class SOLRAPIClient
 
         if (params.getMaxResults().isPresent())
         {
-            body.put("maxResults", params.getMaxResults());
+            body.put("maxResults", params.getMaxResults().getAsInt());
         }
 
         PostRequest req = new PostRequest(url.toString(), body.toString(), "application/json");