diff --git a/wadsrc/static/zscript/hexen/heresiarch.txt b/wadsrc/static/zscript/hexen/heresiarch.txt
index db4860c34..74bccbf4c 100644
--- a/wadsrc/static/zscript/hexen/heresiarch.txt
+++ b/wadsrc/static/zscript/hexen/heresiarch.txt
@@ -698,8 +698,8 @@ class SorcBall2 : SorcBall
 
 		Actor parent = target;
 		Actor mo = Spawn("SorcFX2", Pos + (0, 0, parent.Floorclip + Heresiarch.SORC_DEFENSE_HEIGHT), ALLOW_REPLACE);
-		bReflective = true;
-		bInvulnerable = true;
+		parent.bReflective = true;
+		parent.bInvulnerable = true;
 		parent.args[0] = Heresiarch.SORC_DEFENSE_TIME;
 		if (mo) mo.target = parent;
 	}