diff --git a/source/include/structs.h b/source/include/structs.h
index 5148f08a9b6..79719a27fce 100644
--- a/source/include/structs.h
+++ b/source/include/structs.h
@@ -98,6 +98,8 @@ struct dcesrv_call_state;
 struct libnet_context;
 struct libnet_JoinDomain;
 
+struct pipe_connect_state;
+
 struct clilist_file_info;
 
 struct netr_LMSessionKey;