diff --git a/helper/ZeroMQ/README.md b/helper/ZeroMQ/README.md
index 2cc6dc6..597ab53 100644
--- a/helper/ZeroMQ/README.md
+++ b/helper/ZeroMQ/README.md
@@ -141,5 +141,18 @@ Output:
 (100, 10)
 ```
 
+## Non-blocking
+
+There is this option to receive packages in a non blocking way: 
+
+```python
+    confirm = False
+    while not confirm:
+        try:
+            packet_in = socket.recv_pyobj(zmq.NOBLOCK)
+            confirm = True
+        except zmq.error.Again:
+            pass
+```