diff --git a/src/main/java/com/intel/jndn/mock/MockTransport.java b/src/main/java/com/intel/jndn/mock/MockTransport.java
index 02ed7e3..c48fa07 100644
--- a/src/main/java/com/intel/jndn/mock/MockTransport.java
+++ b/src/main/java/com/intel/jndn/mock/MockTransport.java
@@ -33,7 +33,7 @@
  */
 public class MockTransport extends Transport {
 
-  public final static int BUFFER_CAPACITY = 8000;
+  public final static int BUFFER_CAPACITY = 1024 * 1024; // allocate 1MB buffer
   private static final Logger logger = Logger.getLogger(MockTransport.class.getName());
   protected boolean connected;
   protected ElementReader elementReader;