diff --git a/code/go-api/flow/custom.go b/code/go-api/flow/custom.go
index b1e700f..cd1ea4d 100644
--- a/code/go-api/flow/custom.go
+++ b/code/go-api/flow/custom.go
@@ -97,7 +97,7 @@ func (C *CustomTask) Run(t *flow.Task, pErr error) error {
 	next := map[string]interface{}{
 		"bar": C.Val + 1,
 	}
-	hello := val.Lookup("hello")
+	hello := val.LookupPath(cue.ParsePath("foo"))
 	if hello.Exists() {
 		next["hello"] = "world"
 	}