diff --git a/fdts/stm32mp157c-ed1.dts b/fdts/stm32mp157c-ed1.dts
index 5c8dad403d6338d8ec4a78bd05099e96aec32219..d164f52eafac54f750a423ee79c678fef8ffb459 100644
--- a/fdts/stm32mp157c-ed1.dts
+++ b/fdts/stm32mp157c-ed1.dts
@@ -195,6 +195,7 @@
 &iwdg2 {
 	timeout-sec = <32>;
 	status = "okay";
+	secure-status = "okay";
 };
 
 &nvmem_layout {