diff --git a/types/n3/index.d.ts b/types/n3/index.d.ts
index 4dfed74fb8..98f17f9302 100644
--- a/types/n3/index.d.ts
+++ b/types/n3/index.d.ts
@@ -107,7 +107,7 @@ export namespace DataFactory {
     function literal(value: string | number, languageOrDatatype?: string | RDF.NamedNode): Literal;
     function variable(value: string): Variable;
     function defaultGraph(): DefaultGraph;
-    function quad(subject: RDF.Quad_Subject, predicate: RDF.Quad_Predicate, object: RDF.Quad_Object, graph?: Quad_Graph): Quad;
+    function quad(subject: RDF.Quad_Subject, predicate: RDF.Quad_Predicate, object: RDF.Quad_Object, graph?: RDF.Quad_Graph): Quad;
     function quad<Q_In extends RDF.BaseQuad = RDF.Quad, Q_Out extends BaseQuad = Quad>(subject: Q_In['subject'], predicate: Q_In['predicate'], object: Q_In['object'], graph?: Q_In['graph']): Q_Out;
     function triple(subject: RDF.Quad_Subject, predicate: RDF.Quad_Predicate, object: RDF.Quad_Object): Quad;
     function triple<Q_In extends RDF.BaseQuad = RDF.Quad, Q_Out extends BaseQuad = Quad>(subject: Q_In['subject'], predicate: Q_In['predicate'], object: Q_In['object']): Q_Out;