diff --git a/dlls/winhttp/winhttp.spec b/dlls/winhttp/winhttp.spec
index 15c560a65a3..28dcb1598b7 100644
--- a/dlls/winhttp/winhttp.spec
+++ b/dlls/winhttp/winhttp.spec
@@ -20,11 +20,11 @@
 @ stdcall WinHttpQueryOption(ptr long ptr ptr)
 @ stdcall WinHttpReadData(ptr ptr long ptr)
 @ stdcall WinHttpReceiveResponse(ptr ptr)
-@ stdcall WinHttpSendRequest(ptr wstr long ptr long long ptr)
+@ stdcall WinHttpSendRequest(ptr wstr long ptr long long long)
 @ stdcall WinHttpSetCredentials(ptr long long wstr ptr ptr)
 @ stdcall WinHttpSetDefaultProxyConfiguration(ptr)
 @ stdcall WinHttpSetOption(ptr long ptr long)
-@ stdcall WinHttpSetStatusCallback(ptr ptr long ptr)
+@ stdcall WinHttpSetStatusCallback(ptr ptr long long)
 @ stdcall WinHttpSetTimeouts(ptr long long long long)
 @ stdcall WinHttpTimeFromSystemTime(ptr ptr)
 @ stdcall WinHttpTimeToSystemTime(wstr ptr)