diff --git a/element.go b/element.go
index d0ba0ff..2ee9261 100644
--- a/element.go
+++ b/element.go
@@ -286,5 +286,5 @@ func (e *Element) AttachShadow(opts AttachShadowOpts) *ShadowRoot {
 
 // InsertAdjacentElement inserts a given element node at a given position relative to the element it is invoked upon.
 func (e *Element) InsertAdjacentElement(position Position, newElement *Element) js.Value {
-	return e.v.Call("insertAdjacentElement", position, newElement.v)
+	return e.v.Call("insertAdjacentElement", string(position), newElement.v)
 }