diff --git a/dlls/msxml3/main.c b/dlls/msxml3/main.c
index 311fd66e0ab..0d056ea981d 100644
--- a/dlls/msxml3/main.c
+++ b/dlls/msxml3/main.c
@@ -40,6 +40,8 @@
 #  include <libxslt/variables.h>
 #  include <libxslt/xsltInternals.h>
 #  include <libxslt/documents.h>
+#  include <libxslt/extensions.h>
+#  include <libxslt/extra.h>
 # endif
 #endif
 
@@ -172,10 +174,12 @@ DECL_FUNCPTR(xsltApplyStylesheetUser);
 DECL_FUNCPTR(xsltCleanupGlobals);
 DECL_FUNCPTR(xsltFreeStylesheet);
 DECL_FUNCPTR(xsltFreeTransformContext);
+DECL_FUNCPTR(xsltFunctionNodeSet);
 DECL_FUNCPTR(xsltNewTransformContext);
 DECL_FUNCPTR(xsltNextImport);
 DECL_FUNCPTR(xsltParseStylesheetDoc);
 DECL_FUNCPTR(xsltQuoteUserParams);
+DECL_FUNCPTR(xsltRegisterExtModuleFunction);
 DECL_FUNCPTR(xsltSaveResultTo);
 DECL_FUNCPTR(xsltSetLoaderFunc);
 # undef DECL_FUNCPTR
@@ -199,10 +203,12 @@ static void init_libxslt(void)
     LOAD_FUNCPTR(xsltCleanupGlobals, 1);
     LOAD_FUNCPTR(xsltFreeStylesheet, 1);
     LOAD_FUNCPTR(xsltFreeTransformContext, 1);
+    LOAD_FUNCPTR(xsltFunctionNodeSet, 1);
     LOAD_FUNCPTR(xsltNewTransformContext, 1);
     LOAD_FUNCPTR(xsltNextImport, 1);
     LOAD_FUNCPTR(xsltParseStylesheetDoc, 1);
     LOAD_FUNCPTR(xsltQuoteUserParams, 1);
+    LOAD_FUNCPTR(xsltRegisterExtModuleFunction, 1);
     LOAD_FUNCPTR(xsltSaveResultTo, 1);
     LOAD_FUNCPTR(xsltSetLoaderFunc, 1);
 #undef LOAD_FUNCPTR
@@ -211,6 +217,10 @@ static void init_libxslt(void)
         pxsltInit();
 
     pxsltSetLoaderFunc(xslt_doc_default_loader);
+    pxsltRegisterExtModuleFunction(
+        (const xmlChar *)"node-set",
+        (const xmlChar *)"urn:schemas-microsoft-com:xslt",
+        pxsltFunctionNodeSet);
 
     return;