diff --git a/agent/device/asfvolt16/vendor.h b/agent/device/asfvolt16/vendor.h
index 7cadd9b..f63142e 100644
--- a/agent/device/asfvolt16/vendor.h
+++ b/agent/device/asfvolt16/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 2000000 // in microseconds
+
 #endif