diff --git a/wadsrc/static/engine/grpinfo.txt b/wadsrc/static/engine/grpinfo.txt
index e1e53e115..67ddd265a 100644
--- a/wadsrc/static/engine/grpinfo.txt
+++ b/wadsrc/static/engine/grpinfo.txt
@@ -593,6 +593,17 @@ grpinfo
 	gamefilter "ShadowWarrior.Wanton"
 }
 
+grpinfo
+{
+	name "Shadow Warrior: Wanton Destruction (ProAsm)"
+	flags GAMEFLAG_SW|GAMEFLAG_ADDON
+	crc 0x39893EF4
+	size 9562689
+	defname "sw.def"
+	dependency SWREG12_CRC
+	gamefilter "ShadowWarrior.Wanton"
+}
+
 grpinfo
 {
 	name "Shadow Warrior: Twin Dragon"