diff --git a/README.md b/README.md
index ef70e01b9f..3952d19a8f 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@ For example, to install on the local machine and use as a load generator:
 
 ```
 $ cp src/snabb /usr/local/bin/
-$ sudo snabb packetblaster capture.pcap 0000:01:00.0
+$ sudo snabb packetblaster replay capture.pcap 01:00.0
 ```
 
 ## How do I get involved?