diff --git a/stdlib/public/Platform/winsdk.modulemap b/stdlib/public/Platform/winsdk.modulemap
index 7817b98e2c8fa..d4eb721fda92f 100644
--- a/stdlib/public/Platform/winsdk.modulemap
+++ b/stdlib/public/Platform/winsdk.modulemap
@@ -382,6 +382,7 @@ module WinSDK [system] {
 
   module OLE32 {
     header "oaidl.h"
+    header "oleauto.h"
     export *
 
     link "OleAut32.Lib"