diff --git a/zone/lua_general.cpp b/zone/lua_general.cpp
index b0127137f..3182ac967 100644
--- a/zone/lua_general.cpp
+++ b/zone/lua_general.cpp
@@ -1356,7 +1356,7 @@ void lua_create_npc(luabind::adl::object table, float x, float y, float z, float
 	LuaCreateNPCParseString(special_abilities, 512, "");
 	LuaCreateNPCParse(d_melee_texture1, uint16, 0);
 	LuaCreateNPCParse(d_melee_texture2, uint16, 0);
-	LuaCreateNPCParseString(ammo_idfile, 32, "");
+	LuaCreateNPCParseString(ammo_idfile, 30, "");
 	LuaCreateNPCParse(prim_melee_type, uint8, 0);
 	LuaCreateNPCParse(sec_melee_type, uint8, 0);
 	LuaCreateNPCParse(ranged_type, uint8, 0);