diff --git a/rostests/winetests/rpcrt4/CMakeLists.txt b/rostests/winetests/rpcrt4/CMakeLists.txt
index d28a9e1ea1b..799296c7618 100644
--- a/rostests/winetests/rpcrt4/CMakeLists.txt
+++ b/rostests/winetests/rpcrt4/CMakeLists.txt
@@ -5,9 +5,16 @@ add_definitions(-D_WIN32_WINNT=0x500)
 add_definitions(
     -D__ROS_LONG64__
     -D_DLL -D__USE_CRTIMP)
+    
+if(MSVC)
+    set(IDL_FLAGS ${IDL_FLAGS} /prefix server s_)
+else()
+    set(IDL_FLAGS ${IDL_FLAGS} --prefix-server=s_)
+endif()
 
 add_rpc_files(client server.idl)
 add_rpc_files(server server.idl)
+unset(IDL_FLAGS)
 
 list(APPEND SOURCE
     cstub.c
diff --git a/rostests/winetests/rpcrt4/rpcrt4.rbuild b/rostests/winetests/rpcrt4/rpcrt4.rbuild
index fc366d0284e..a74034a7473 100644
--- a/rostests/winetests/rpcrt4/rpcrt4.rbuild
+++ b/rostests/winetests/rpcrt4/rpcrt4.rbuild
@@ -12,6 +12,8 @@
 		<include root="intermediate" base="rpcrt4_winetest">.</include>
 		<define name="__ROS_LONG64__" />
 		<redefine name="_WIN32_WINNT">0x0500</redefine>
+        <!--Grotesque hack-->
+        <define name="s_IServer_v0_0_s_ifspec">IServer_v0_0_s_ifspec</redefine>
 		<library>wine</library>
 		<library>pseh</library>
 		<library>ole32</library>
diff --git a/rostests/winetests/rpcrt4/server.c b/rostests/winetests/rpcrt4/server.c
index 21b0cedf6ab..ccf995623ba 100644
--- a/rostests/winetests/rpcrt4/server.c
+++ b/rostests/winetests/rpcrt4/server.c
@@ -1542,12 +1542,12 @@ server(void)
   if (pRpcServerRegisterIfEx)
   {
     trace("Using RpcServerRegisterIfEx\n");
-    status = pRpcServerRegisterIfEx(IServer_v0_0_s_ifspec, NULL, NULL,
+    status = pRpcServerRegisterIfEx(s_IServer_v0_0_s_ifspec, NULL, NULL,
                                     RPC_IF_ALLOW_CALLBACKS_WITH_NO_AUTH,
                                     RPC_C_LISTEN_MAX_CALLS_DEFAULT, NULL);
   }
   else
-    status = RpcServerRegisterIf(IServer_v0_0_s_ifspec, NULL, NULL);
+    status = RpcServerRegisterIf(s_IServer_v0_0_s_ifspec, NULL, NULL);
   ok(status == RPC_S_OK, "RpcServerRegisterIf failed with status %d\n", status);
   status = RpcServerListen(1, 20, TRUE);
   ok(status == RPC_S_OK, "RpcServerListen failed with status %d\n", status);