diff --git a/reactos/include/reactos/idl/svcctl.idl b/reactos/include/reactos/idl/svcctl.idl
index 061c3f38365..115d1f44225 100644
--- a/reactos/include/reactos/idl/svcctl.idl
+++ b/reactos/include/reactos/idl/svcctl.idl
@@ -189,6 +189,7 @@ typedef struct _SC_RPC_CONFIG_INFOA {
         [case(6)] LPSERVICE_RPC_REQUIRED_PRIVILEGES_INFO psrp;
         [case(7)] LPSERVICE_PRESHUTDOWN_INFO psps;
     } DUMMYUNIONNAME;
+    [string, range(0, 8 * 1024)] LPSTR lpDescription; //FIXME
 } SC_RPC_CONFIG_INFOA, *LPSC_RPC_CONFIG_INFOA;
 
 typedef struct _SC_RPC_CONFIG_INFOW {