diff --git a/xpath.d.ts b/xpath.d.ts
index 9d1a734..3f59c6b 100644
--- a/xpath.d.ts
+++ b/xpath.d.ts
@@ -39,7 +39,7 @@ export function useNamespaces(namespaceMap: Record<string, string>): XPathSelect
 
 // Type guards to narrow down the type of the selected type of a returned Node object
 export function isNodeLike(value: SelectedValue): value is Node;
-export function isArrayOfNodes(value: SelectedValue): value is Node[];
+export function isArrayOfNodes(value: SelectReturnType): value is Node[];
 export function isElement(value: SelectedValue): value is Element;
 export function isAttribute(value: SelectedValue): value is Attr;
 export function isTextNode(value: SelectedValue): value is Text;