diff --git a/meta-ti-bsp/conf/machine/j721s2-evm.conf b/meta-ti-bsp/conf/machine/j721s2-evm.conf
index 46d5dbf6..37353df4 100644
--- a/meta-ti-bsp/conf/machine/j721s2-evm.conf
+++ b/meta-ti-bsp/conf/machine/j721s2-evm.conf
@@ -7,6 +7,7 @@ require conf/machine/include/j721s2.inc
 SERIAL_CONSOLES = "115200;ttyS2"
 SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
 TFA_K3_USART = "0x8"
+OPTEEMACHINE = "k3-j784s4"
 OPTEE_K3_USART = "0x8"
 
 KERNEL_DEVICETREE = " \
