diff --git a/src/script/api/script_list.hpp b/src/script/api/script_list.hpp
index d163057e39..f7ef9cd8f1 100644
--- a/src/script/api/script_list.hpp
+++ b/src/script/api/script_list.hpp
@@ -12,6 +12,7 @@
 #define SCRIPT_LIST_HPP
 
 #include "script_object.hpp"
+#include "script_controller.hpp"
 #include "../../3rdparty/cpp-btree/safe_btree_set.h"
 #include "../../3rdparty/cpp-btree/safe_btree_map.h"
 
@@ -62,11 +63,14 @@ protected:
 	template<typename T, class ItemValid, class ItemFilter>
 	static void FillList(ScriptList *list, ItemValid item_valid, ItemFilter item_filter)
 	{
+		int opcode_charge = 0;
 		for (const T *item : T::Iterate()) {
 			if (!item_valid(item)) continue;
 			if (!item_filter(item)) continue;
 			list->AddItem(item->index);
+			opcode_charge += 3;
 		}
+		ScriptController::DecreaseOps(opcode_charge + (T::GetNumItems() / 2));
 	}
 
 	template<typename T, class ItemValid>