diff --git a/source/hub/hub.go b/source/hub/hub.go
index 66901c95..02cb4bfa 100644
--- a/source/hub/hub.go
+++ b/source/hub/hub.go
@@ -1503,6 +1503,7 @@ func Cyan(s string) string {
 }
 
 func Logo() string {
+	// pf.Greet()
 	var padding string
 	if len(VERSION)%2 == 1 {
 		padding = ","
diff --git a/source/vendor/pf/go.mod b/source/vendor/pf/go.mod
new file mode 100644
index 00000000..2f4242bc
--- /dev/null
+++ b/source/vendor/pf/go.mod
@@ -0,0 +1,3 @@
+module github.com/tim-hardcastle/Pipefish/tree/main/source/vendor/pf
+
+go 1.23
diff --git a/source/vendor/pf/pf.go b/source/vendor/pf/pf.go
new file mode 100644
index 00000000..079c46f5
--- /dev/null
+++ b/source/vendor/pf/pf.go
@@ -0,0 +1,5 @@
+package pf
+
+func Greet() {
+	println("Hello world!")
+}
\ No newline at end of file