diff --git a/pregelix-runtime/src/main/java/edu/uci/ics/pregelix/runtime/bootstrap/NCApplicationEntryPoint.java b/pregelix-runtime/src/main/java/edu/uci/ics/pregelix/runtime/bootstrap/NCApplicationEntryPoint.java
index 9607494..fe72d7a 100644
--- a/pregelix-runtime/src/main/java/edu/uci/ics/pregelix/runtime/bootstrap/NCApplicationEntryPoint.java
+++ b/pregelix-runtime/src/main/java/edu/uci/ics/pregelix/runtime/bootstrap/NCApplicationEntryPoint.java
@@ -19,9 +19,11 @@
 import edu.uci.ics.pregelix.dataflow.context.RuntimeContext;
 
 public class NCApplicationEntryPoint implements INCApplicationEntryPoint {
+    private RuntimeContext rCtx = null;
+
     @Override
     public void start(INCApplicationContext ncAppCtx, String[] args) throws Exception {
-        RuntimeContext rCtx = new RuntimeContext(ncAppCtx);
+        rCtx = new RuntimeContext(ncAppCtx);
         ncAppCtx.setApplicationObject(rCtx);
     }
 
@@ -32,6 +34,6 @@
 
     @Override
     public void stop() throws Exception {
-
+        rCtx.close();
     }
 }
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