diff --git a/plugins/transport/thrift/src/main/java/org/elasticsearch/thrift/ThriftRestRequest.java b/plugins/transport/thrift/src/main/java/org/elasticsearch/thrift/ThriftRestRequest.java
index ff0067bbff7..4724a1a93b3 100644
--- a/plugins/transport/thrift/src/main/java/org/elasticsearch/thrift/ThriftRestRequest.java
+++ b/plugins/transport/thrift/src/main/java/org/elasticsearch/thrift/ThriftRestRequest.java
@@ -96,7 +96,7 @@ public class ThriftRestRequest extends AbstractRestRequest implements org.elasti
         if (!request.isSetBody()) {
             return 0;
         }
-        return request.bufferForBody().arrayOffset();
+        return request.bufferForBody().arrayOffset() + request.bufferForBody().position();
     }
 
     @Override public int contentLength() {