diff --git a/reactos/dll/win32/iphlpapi/iphlpapi.spec b/reactos/dll/win32/iphlpapi/iphlpapi.spec
index 67ec918f129..eadbfb1909a 100644
--- a/reactos/dll/win32/iphlpapi/iphlpapi.spec
+++ b/reactos/dll/win32/iphlpapi/iphlpapi.spec
@@ -33,7 +33,7 @@
 @ stdcall GetBestRoute( long long long )
 @ stub GetBestRouteFromStack
 @ stdcall GetExtendedTcpTable( ptr ptr long long long long )
-@ stub GetExtendedUdpTable
+@ stdcall -stub GetExtendedUdpTable( ptr ptr long long long long )
 @ stdcall GetFriendlyIfIndex( long )
 @ stdcall GetIcmpStatistics( ptr )
 @ stdcall GetIcmpStatisticsEx(ptr long)