diff --git a/net/ndnping/Portfile b/net/ndnping/Portfile
index 8699c1c..f5c6c8e 100644
--- a/net/ndnping/Portfile
+++ b/net/ndnping/Portfile
@@ -13,6 +13,7 @@
 version             0.1.1
 license             GPL3+
 epoch               1
+revision            1
 
 categories          net
 platforms           darwin