diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/impl/CloudSolrClient.java b/solr/solrj/src/java/org/apache/solr/client/solrj/impl/CloudSolrClient.java
index e8c66d5e0c5..dc7214effe0 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/impl/CloudSolrClient.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/impl/CloudSolrClient.java
@@ -46,6 +46,7 @@ import org.apache.solr.common.params.ModifiableSolrParams;
 import org.apache.solr.common.params.ShardParams;
 import org.apache.solr.common.params.SolrParams;
 import org.apache.solr.common.params.UpdateParams;
+import org.apache.solr.common.util.Hash;
 import org.apache.solr.common.util.NamedList;
 import org.apache.solr.common.util.SolrjNamedThreadFactory;
 import org.apache.solr.common.util.StrUtils;
@@ -1088,7 +1089,7 @@ public class CloudSolrClient extends SolrClient {
       return ref.get();
     }
     List locks = this.locks;
-    final Object lock = locks.get(collection.hashCode() % locks.size());
+    final Object lock = locks.get(Hash.murmurhash3_x86_32(collection, 0, collection.length(), 0) % locks.size());
     synchronized (lock){
       //we have waited for sometime just check once again
       col = getFromCache(collection);