diff --git a/qemu_v8/optee_sp_manifest.dts b/qemu_v8/optee_sp_manifest.dts
index 1a06757..35c2f4b 100644
--- a/qemu_v8/optee_sp_manifest.dts
+++ b/qemu_v8/optee_sp_manifest.dts
@@ -29,6 +29,7 @@
 	boot-order = <0>;
 	messaging-method = <0x3>; /* Direct messaging only */
 	ns-interrupts-action = <1>; /* NS_ACTION_ME */
+	notification-support;
 
 	/* Boot protocol */
 	gp-register-num = <0x0>;