diff --git a/plugins/eventful.cpp b/plugins/eventful.cpp
index 9c8819a48..1b9d228bc 100644
--- a/plugins/eventful.cpp
+++ b/plugins/eventful.cpp
@@ -8,6 +8,7 @@
 #include "VTableInterpose.h"
 
 #include "df/building.h"
+#include "df/building_furnacest.h"
 #include "df/building_workshopst.h"
 #include "df/construction.h"
 #include "df/item.h"
@@ -91,8 +92,8 @@ static bool is_lua_hook(const std::string &name)
 /*
  * Hooks
  */
-static void handle_fillsidebar(color_ostream &out,df::building_workshopst*,bool *call_native){};
-static void handle_postfillsidebar(color_ostream &out,df::building_workshopst*){};
+static void handle_fillsidebar(color_ostream &out,df::building_actual*,bool *call_native){};
+static void handle_postfillsidebar(color_ostream &out,df::building_actual*){};
 
 static void handle_reaction_done(color_ostream &out,df::reaction*, df::reaction_product_itemst*, df::unit *unit, std::vector<df::item*> *in_items,std::vector<df::reaction_reagent*> *in_reag
     , std::vector<df::item*> *out_items,bool *call_native){};
@@ -102,8 +103,8 @@ static void handle_projitem_cm(color_ostream &out,df::proj_itemst*){};
 static void handle_projunit_ci(color_ostream &out,df::proj_unitst*,bool){};
 static void handle_projunit_cm(color_ostream &out,df::proj_unitst*){};
 
-DEFINE_LUA_EVENT_2(onWorkshopFillSidebarMenu, handle_fillsidebar, df::building_workshopst*,bool* );
-DEFINE_LUA_EVENT_1(postWorkshopFillSidebarMenu, handle_postfillsidebar, df::building_workshopst*);
+DEFINE_LUA_EVENT_2(onWorkshopFillSidebarMenu, handle_fillsidebar, df::building_actual*,bool* );
+DEFINE_LUA_EVENT_1(postWorkshopFillSidebarMenu, handle_postfillsidebar, df::building_actual*);
 
 DEFINE_LUA_EVENT_7(onReactionComplete, handle_reaction_done,df::reaction*, df::reaction_product_itemst*, df::unit *, std::vector<df::item*> *,std::vector<df::reaction_reagent*> *,std::vector<df::item*> *,bool *);
 DEFINE_LUA_EVENT_5(onItemContaminateWound, handle_contaminate_wound, df::item_actual*,df::unit* , df::unit_wound* , uint8_t , int16_t );