diff --git a/code/fgame/bg_public.h b/code/fgame/bg_public.h
index 8fc4b759..41a8c361 100644
--- a/code/fgame/bg_public.h
+++ b/code/fgame/bg_public.h
@@ -713,6 +713,7 @@ movement on the server game.
     (CONTENTS_SOLID | CONTENTS_BBOX | CONTENTS_NOBOTCLIP | CONTENTS_UNKNOWN2 | CONTENTS_FENCE | CONTENTS_BODY)
 #define MASK_AITURRET \
     (CONTENTS_SOLID | CONTENTS_LAVA | CONTENTS_SLIME | CONTENTS_BBOX | CONTENTS_NOBOTCLIP | CONTENTS_UNKNOWN2 | CONTENTS_FENCE | CONTENTS_WEAPONCLIP | CONTENTS_BODY)
+#define MASK_DAMAGEMODEL (CONTENTS_SOLID | CONTENTS_BBOX | CONTENTS_NOBOTCLIP | CONTENTS_UNKNOWN2 | CONTENTS_FENCE | CONTENTS_BODY)
 
     // mohaa mask
     /*