diff --git a/dll/win32/dbghelp/dbghelp.spec b/dll/win32/dbghelp/dbghelp.spec
index 2a572512e4d..95cebca63d8 100644
--- a/dll/win32/dbghelp/dbghelp.spec
+++ b/dll/win32/dbghelp/dbghelp.spec
@@ -30,7 +30,7 @@
 @ stdcall MakeSureDirectoryPathExists(str)
 @ stdcall MapDebugInformation(long str str long)
 @ stdcall MiniDumpReadDumpStream(ptr long ptr ptr ptr)
-@ stdcall MiniDumpWriteDump(ptr long ptr long long long long)
+@ stdcall MiniDumpWriteDump(ptr long ptr long ptr ptr ptr)
 @ stdcall SearchTreeForFile(str str ptr)
 @ stdcall SearchTreeForFileW(wstr wstr ptr)
 @ stdcall StackWalk(long long long ptr ptr ptr ptr ptr ptr)
diff --git a/sdk/include/psdk/dbghelp.h b/sdk/include/psdk/dbghelp.h
index 28eec9a10ae..a8fdf38e0a0 100644
--- a/sdk/include/psdk/dbghelp.h
+++ b/sdk/include/psdk/dbghelp.h
@@ -901,9 +901,9 @@ MiniDumpWriteDump(
   _In_ DWORD,
   _In_ HANDLE,
   _In_ MINIDUMP_TYPE,
-  _In_opt_ const PMINIDUMP_EXCEPTION_INFORMATION,
-  _In_opt_ const PMINIDUMP_USER_STREAM_INFORMATION,
-  _In_opt_ const PMINIDUMP_CALLBACK_INFORMATION);
+  _In_opt_ PMINIDUMP_EXCEPTION_INFORMATION,
+  _In_opt_ PMINIDUMP_USER_STREAM_INFORMATION,
+  _In_opt_ PMINIDUMP_CALLBACK_INFORMATION);
 
 BOOL
 WINAPI