diff --git a/wadsrc/static/engine/grpinfo.txt b/wadsrc/static/engine/grpinfo.txt
index d11c39f5a..0d8c68f62 100644
--- a/wadsrc/static/engine/grpinfo.txt
+++ b/wadsrc/static/engine/grpinfo.txt
@@ -404,6 +404,17 @@ grpinfo
 	gamefilter "Duke.Zone.15"
 }
 
+grpinfo
+{
+	name "Duke!ZONE II"
+	scriptname "DZ-GAME.CON"
+	size 3186656
+	crc 0x1E9516F1
+	flags GAMEFLAG_DUKE|GAMEFLAG_ADDON
+	dependency DUKE15_CRC
+	gamefilter "Duke.Zone.15"
+}
+
 grpinfo
 {
 	name "Duke!ZONE II"