diff --git a/reactos/dll/win32/msi/msi.rbuild b/reactos/dll/win32/msi/msi.rbuild
index d70cadd056b..aa16295a0ac 100644
--- a/reactos/dll/win32/msi/msi.rbuild
+++ b/reactos/dll/win32/msi/msi.rbuild
@@ -2,7 +2,7 @@
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <group>
 <module name="msi" type="win32dll" baseaddress="${BASEADDRESS_MSI}" installbase="system32" installname="msi.dll" allowwarnings="true">
-	<!--autoregister infsection="OleControlDlls" type="DllRegisterServer" /-->
+	<autoregister infsection="OleControlDlls" type="DllRegisterServer" />
 	<importlibrary definition="msi.spec.def" />
 	<include base="msi">.</include>
 	<include base="ReactOS">include/reactos/wine</include>
diff --git a/reactos/tools/widl/write_msft.c b/reactos/tools/widl/write_msft.c
index 462111c2d06..e604ab72f5d 100644
--- a/reactos/tools/widl/write_msft.c
+++ b/reactos/tools/widl/write_msft.c
@@ -2413,7 +2413,7 @@ static int save_all_changes(msft_typelib_t *typelib)
 
     retval = TYPE_E_IOERROR;
 
-    fd = creat(typelib->typelib->filename, 0666);
+    fd = open(typelib->typelib->filename, _O_CREAT | _O_RDWR | _O_BINARY, 0666);
     if (fd == -1) return retval;
 
     filepos = sizeof(MSFT_Header) + sizeof(MSFT_SegDir);