diff --git a/examples/src/main/java/io/numaproj/numaflow/examples/sink/simple/SimpleSink.java b/examples/src/main/java/io/numaproj/numaflow/examples/sink/simple/SimpleSink.java
index 9301990..90b2458 100644
--- a/examples/src/main/java/io/numaproj/numaflow/examples/sink/simple/SimpleSink.java
+++ b/examples/src/main/java/io/numaproj/numaflow/examples/sink/simple/SimpleSink.java
@@ -26,6 +26,7 @@ public static void main(String[] args) throws Exception {
         server.awaitTermination();
 
         log.info("Server stopped.");
+        System.exit(0);
     }
 
     @Override