diff --git a/include/Makefile.in b/include/Makefile.in
index f53c1bb4a62..716cec38a61 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -364,6 +364,7 @@ SRCDIR_INCLUDES = \
 	oleauto.h \
 	olectl.h \
 	oledlg.h \
+	opnrst.idl \
 	pdh.h \
 	pdhmsg.h \
 	pktdef.h \
diff --git a/include/oledb.idl b/include/oledb.idl
index 1683fb7faac..a2f70d54f68 100644
--- a/include/oledb.idl
+++ b/include/oledb.idl
@@ -29,3 +29,4 @@ typedef ULONG DBBYTEOFFSET;
 #include "dbcses.idl"
 #include "dbprop.idl"
 #include "dbinit.idl"
+#include "opnrst.idl"
diff --git a/include/opnrst.idl b/include/opnrst.idl
new file mode 100644
index 00000000000..07c23805fc9
--- /dev/null
+++ b/include/opnrst.idl
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2009 Huw Davies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+[
+    object,
+    uuid(0c733a69-2a1c-11ce-ade5-00aa0044773d),
+    pointer_default(unique)
+]
+interface IOpenRowset : IUnknown
+{
+    [local]
+    HRESULT OpenRowset([in] IUnknown *pUnkOuter,
+                       [in, unique] DBID *pTableID,
+                       [in, unique] DBID *pIndexID,
+                       [in] REFIID riid,
+                       [in] ULONG cPropertySets,
+                       [in, out, size_is(cPropertySets)] DBPROPSET rgPropertySets[],
+                       [out, iid_is(riid)] IUnknown **ppRowset);
+
+    [call_as(OpenRowset)]
+    HRESULT RemoteOpenRowset([in] IUnknown *pUnkOuter,
+                             [in, unique] DBID *pTableID,
+                             [in, unique] DBID *pIndexID,
+                             [in] REFIID riid,
+                             [in] ULONG cPropertySets,
+                             [in, unique, size_is(cPropertySets)] DBPROPSET *rgPropertySets,
+                             [in, out, unique, iid_is(riid)] IUnknown **ppRowset,
+                             [in] ULONG cTotalProps,
+                             [out, size_is(cTotalProps)] DBPROPSTATUS *rgPropStatus,
+                             [out] IErrorInfo **ppErrorInfoRem);
+
+}
diff --git a/tools/make_makefiles b/tools/make_makefiles
index fc836ee490d..8f9ca56da81 100755
--- a/tools/make_makefiles
+++ b/tools/make_makefiles
@@ -116,6 +116,7 @@ my %private_idl_headers = (
     "dbs.idl" => 1,
     "devenum.idl" => 1,
     "dyngraph.idl" => 1,
+    "opnrst.idl" => 1,
     "vmrender.idl" => 1,
     "wine/wined3d.idl" => 1,
     "wine/winedxgi.idl" => 1,