diff --git a/lib/js/dom.nim b/lib/js/dom.nim
index 58a33c9260..a133f1f69a 100644
--- a/lib/js/dom.nim
+++ b/lib/js/dom.nim
@@ -1467,6 +1467,7 @@ else:
   proc insertBefore*(n, newNode, before: Node) {.importcpp.}
   proc getElementById*(d: Document, id: cstring): Element {.importcpp.}
   proc createElement*(d: Document, identifier: cstring): Element {.importcpp.}
+  proc createElementNS*(d: Document, namespaceURI, qualifiedIdentifier: cstring): Element {.importcpp.}
   proc createTextNode*(d: Document, identifier: cstring): Node {.importcpp.}
   proc createComment*(d: Document, data: cstring): Node {.importcpp.}