diff --git a/wadsrc/static/zscript/actors/mbf21.zs b/wadsrc/static/zscript/actors/mbf21.zs
index b55848116..71da9e6a3 100644
--- a/wadsrc/static/zscript/actors/mbf21.zs
+++ b/wadsrc/static/zscript/actors/mbf21.zs
@@ -53,7 +53,7 @@ extend class Actor
 		if (mo.bMissile || mo.bMbfBouncer)
 		{
 			// if spawner is also a missile, copy 'em
-			if (bMissile || bMbfBouncer)
+			if (defaults.bMissile || defaults.bMbfBouncer)
 			{
 				mo.target = self.target;
 				mo.tracer = self.tracer;