diff --git a/.arcconfig b/.arcconfig
index fa78c6db09ae..54153b9bd420 100644
--- a/.arcconfig
+++ b/.arcconfig
@@ -1,5 +1,6 @@
 {
 	"project.name": "S",
+	"repository.callsign" : "S",
 	"phabricator.uri" : "https://reviews.freebsd.org/",
 	"history.immutable" : true
 }