diff --git a/wadsrc/static/zscript/actors/heretic/hereticammo.zs b/wadsrc/static/zscript/actors/heretic/hereticammo.zs
index 1c5aeb88a..6464cf9dc 100644
--- a/wadsrc/static/zscript/actors/heretic/hereticammo.zs
+++ b/wadsrc/static/zscript/actors/heretic/hereticammo.zs
@@ -85,7 +85,7 @@ Class MaceAmmo : Ammo
 		Inventory.Amount 20;
 		Inventory.MaxAmount 150;
 		Ammo.BackpackAmount 0;
-		Ammo.BackpackMaxAmount 150;
+		Ammo.BackpackMaxAmount 300;
 		Inventory.Icon "INAMLOB";
 		Tag "$AMMO_MACE";
 	}