diff --git a/zdefs.acs b/zdefs.acs
index 63cc47a..e136ea1 100644
--- a/zdefs.acs
+++ b/zdefs.acs
@@ -743,6 +743,7 @@
 #DEFINE	AAPTR_PLAYER8 0x2000
 
 #DEFINE AAPTR_FRIENDPLAYER 0x4000
+#DEFINE AAPTR_GET_LINETARGET 0x8000
 
 // Actor pointer operation flags