diff --git a/pkg/codegen/jenny_eachmajor.go b/pkg/codegen/jenny_eachmajor.go
index 4ac280c0273..1725a2565c1 100644
--- a/pkg/codegen/jenny_eachmajor.go
+++ b/pkg/codegen/jenny_eachmajor.go
@@ -56,7 +56,7 @@ func (j *lmox) Generate(decl *DeclForGen) (codejen.Files, error) {
 	}
 
 	var fl codejen.Files
-	for sch := decl.Lineage().First(); sch != nil; sch.Successor() {
+	for sch := decl.Lineage().First(); sch != nil; sch = sch.Successor() {
 		sfg.Schema = sch.LatestInMajor()
 		files, err := do(sfg, fmt.Sprintf("v%v", sch.Version()[0]))
 		if err != nil {