diff --git a/dlls/ole32/rpc.c b/dlls/ole32/rpc.c
index 32c8318b449..e7266dc1048 100644
--- a/dlls/ole32/rpc.c
+++ b/dlls/ole32/rpc.c
@@ -1007,6 +1007,7 @@ void RPC_StartLocalServer(REFCLSID clsid, IStream *stream)
 
     lsp->clsid = *clsid;
     lsp->stream = stream;
+    IStream_AddRef(stream);
 
     thread = CreateThread(NULL, 0, local_server_thread, lsp, 0, &tid);
     CloseHandle(thread);