diff --git a/scripts/zm/_zm_reimagined.gsc b/scripts/zm/_zm_reimagined.gsc
index 5b503979..eddacb4d 100644
--- a/scripts/zm/_zm_reimagined.gsc
+++ b/scripts/zm/_zm_reimagined.gsc
@@ -1680,9 +1680,13 @@ weapon_changes()
 		add_zombie_weapon( "saritch_zm", "saritch_upgraded_zm", &"ZOMBIE_WEAPON_SARITCH", 500, "wpck_smr", "", undefined, 1 );
 	}
 
-	include_weapon( "ballista_zm", 0 );
-	include_weapon( "ballista_upgraded_zm", 0 );
-	add_zombie_weapon( "ballista_zm", "ballista_upgraded_zm", &"ZMWEAPON_BALLISTA_WALLBUY", 500, "wpck_snipe", "", undefined, 1 );
+	if (!isdefined(level.zombie_weapons["ballista_zm"]))
+	{
+		level._effect["rottweil72_zm_fx"] = loadfx( "maps/zombie/fx_zmb_wall_buy_ballista" );
+		include_weapon( "ballista_zm", 0 );
+		include_weapon( "ballista_upgraded_zm", 0 );
+		add_zombie_weapon( "ballista_zm", "ballista_upgraded_zm", &"ZMWEAPON_BALLISTA_WALLBUY", 500, "wpck_snipe", "", undefined, 1 );
+	}
 
 	if (isdefined(level.zombie_weapons["python_zm"]))
 	{