diff --git a/go/terncli/terncli.go b/go/terncli/terncli.go
index 277aea65..ef3a041a 100644
--- a/go/terncli/terncli.go
+++ b/go/terncli/terncli.go
@@ -243,7 +243,7 @@ func main() {
 		}
 		if *registryAddress == "" {
 			clientMu.Unlock()
-			panic("You need to specify -registry (or -prod).\n")
+			panic("You need to specify -registry.\n")
 		}
 		var err error
 		c, err := client.NewClient(l, nil, *registryAddress, localAddresses)