diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/chconf.h b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/chconf.h
index f7da75670..310899797 100755
--- a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/chconf.h
+++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/chconf.h
@@ -515,6 +515,13 @@
 /* Port-specific settings (override port settings defaulted in chcore.h).    */
 /*===========================================================================*/
 
+/**
+ * @brief   Trust zone configuration.
+ * @details If enabled the kernel is configured for the secure world
+ *          and can access specific devices.
+ */
+#define CH_CFG_SEC_WORLD                    TRUE
+
 #endif  /* CHCONF_H */
 
 /** @} */