diff --git a/tools/winapi/win32.api b/tools/winapi/win32.api
index a4ca27cd0bd..a30c6764b50 100644
--- a/tools/winapi/win32.api
+++ b/tools/winapi/win32.api
@@ -3476,6 +3476,19 @@ LPSTR
 
 LPWSTR
 
+%%pstorec.dll
+
+%long
+
+DWORD
+HRESULT
+
+%ptr
+
+IPStore **
+PST_PROVIDERID *
+void *
+
 %%qcap.dll
 
 %long