diff --git a/include/freerdp/rail.h b/include/freerdp/rail.h
index 5ea1b7a4a..cda743d89 100644
--- a/include/freerdp/rail.h
+++ b/include/freerdp/rail.h
@@ -140,6 +140,7 @@ enum SPI_MASK
 #define TS_RAIL_CLIENTSTATUS_HIGH_DPI_ICONS_SUPPORTED 0x00000020
 #define TS_RAIL_CLIENTSTATUS_APPBAR_REMOTING_SUPPORTED 0x00000040
 #define TS_RAIL_CLIENTSTATUS_POWER_DISPLAY_REQUEST_SUPPORTED 0x00000080
+#define TS_RAIL_CLIENTSTATUS_GET_APPID_RESPONSE_EX_SUPPORTED 0x00000100
 #define TS_RAIL_CLIENTSTATUS_BIDIRECTIONAL_CLOAK_SUPPORTED 0x00000200
 
 /* Server Move/Size Start PDU */