diff --git a/reactos/include/psdk/mstcpip.h b/reactos/include/psdk/mstcpip.h
index 7c818b13d78..618b07f6d47 100644
--- a/reactos/include/psdk/mstcpip.h
+++ b/reactos/include/psdk/mstcpip.h
@@ -443,7 +443,7 @@ SCOPE_ID
 IN4ADDR_SCOPE_ID(
   IN CONST SOCKADDR_IN *a)
 {
-  SCOPE_ID UnspecifiedScopeId = {0};
+  SCOPE_ID UnspecifiedScopeId = {{{0}}};
   UNREFERENCED_PARAMETER(a);
   return UnspecifiedScopeId;
 }