diff --git a/plat/xilinx/versal/pm_service/pm_defs.h b/plat/xilinx/versal/pm_service/pm_defs.h
index bd74304..7d69699 100644
--- a/plat/xilinx/versal/pm_service/pm_defs.h
+++ b/plat/xilinx/versal/pm_service/pm_defs.h
@@ -30,6 +30,7 @@
 #define PM_FORCE_POWERDOWN		8U
 #define PM_ABORT_SUSPEND		9U
 #define PM_REQ_WAKEUP			10U
+#define PM_SET_WAKEUP_SOURCE		11U
 #define PM_SYSTEM_SHUTDOWN		12U
 #define PM_REQUEST_DEVICE		13U
 #define PM_RELEASE_DEVICE		14U