diff --git a/include/hlink.idl b/include/hlink.idl
index 884c4be5ec0..96429568368 100644
--- a/include/hlink.idl
+++ b/include/hlink.idl
@@ -26,6 +26,7 @@ interface IHlinkBrowseContext;
 cpp_quote("HRESULT WINAPI HlinkCreateFromMoniker(IMoniker*, LPCWSTR, LPCWSTR, IHlinkSite*, DWORD, IUnknown*, REFIID, void**);")
 cpp_quote("HRESULT WINAPI HlinkCreateFromString(LPCWSTR, LPCWSTR, LPCWSTR, IHlinkSite*, DWORD, IUnknown*, REFIID, void**);")
 cpp_quote("HRESULT WINAPI HlinkCreateFromData(IDataObject*, IHlinkSite*, DWORD dwSiteData, IUnknown*, REFIID, void**);")
+cpp_quote("HRESULT WINAPI HlinkCreateExtensionServices(LPCWSTR, HWND, LPCWSTR, LPCWSTR, IUnknown*, REFIID, void**);")
 cpp_quote("HRESULT WINAPI HlinkQueryCreateFromData(IDataObject*);")
 cpp_quote("HRESULT WINAPI HlinkClone(IHlink*, REFIID, IHlinkSite*, DWORD, void **);")
 cpp_quote("HRESULT WINAPI HlinkCreateBrowseContext(IUnknown*, REFIID, void **);")
diff --git a/tools/winapi/win32.api b/tools/winapi/win32.api
index 53826466941..f9f191ab07e 100644
--- a/tools/winapi/win32.api
+++ b/tools/winapi/win32.api
@@ -1549,6 +1549,34 @@ LPGUID
 
 void
 
+%%hlink.dll
+
+%long
+
+DWORD
+HRESULT
+HWND
+
+%ptr
+
+IBindStatusCallback *
+IDataObject *
+IHlink *
+IHlinkBrowseContext *
+IHlinkFrame *
+IHlinkSite *
+IMoniker *
+IUnknown *
+LPBC
+LPWSTR *
+REFIID
+ULONG *
+void **
+
+%wstr
+
+LPCWSTR
+
 %%iccvid.dll
 
 %long