add default nettype none
diff --git a/verilog/rtl/mgmt_protect.v b/verilog/rtl/mgmt_protect.v
index 4dcf111..f8fe7fb 100644
--- a/verilog/rtl/mgmt_protect.v
+++ b/verilog/rtl/mgmt_protect.v
@@ -1,3 +1,4 @@
+`default_nettype none
 /*----------------------------------------------------------------------*/
 /* Buffers protecting the management region from the user region.	*/
 /* This mainly consists of tristate buffers that are enabled by a	*/