diff --git a/src/town_gui.cpp b/src/town_gui.cpp
--- a/src/town_gui.cpp
+++ b/src/town_gui.cpp
@@ -281,7 +281,7 @@ public:
 };
 
 static WindowDesc _town_authority_desc(
-	WDP_AUTO, 317, 222,
+	WDP_AUTO, "view_town_authority", 317, 222,
 	WC_TOWN_AUTHORITY, WC_NONE,
 	0,
 	_nested_town_authority_widgets, lengthof(_nested_town_authority_widgets)
@@ -551,7 +551,7 @@ static const NWidgetPart _nested_town_ga
 };
 
 static WindowDesc _town_game_view_desc(
-	WDP_AUTO, 260, TownViewWindow::WID_TV_HEIGHT_NORMAL,
+	WDP_AUTO, "view_town", 260, TownViewWindow::WID_TV_HEIGHT_NORMAL,
 	WC_TOWN_VIEW, WC_NONE,
 	0,
 	_nested_town_game_view_widgets, lengthof(_nested_town_game_view_widgets)
@@ -582,7 +582,7 @@ static const NWidgetPart _nested_town_ed
 };
 
 static WindowDesc _town_editor_view_desc(
-	WDP_AUTO, 260, TownViewWindow::WID_TV_HEIGHT_NORMAL,
+	WDP_AUTO, "view_town_scen", 260, TownViewWindow::WID_TV_HEIGHT_NORMAL,
 	WC_TOWN_VIEW, WC_NONE,
 	0,
 	_nested_town_editor_view_widgets, lengthof(_nested_town_editor_view_widgets)
@@ -938,7 +938,7 @@ GUITownList::SortFunction * const TownDi
 };
 
 static WindowDesc _town_directory_desc(
-	WDP_AUTO, 208, 202,
+	WDP_AUTO, "list_towns", 208, 202,
 	WC_TOWN_DIRECTORY, WC_NONE,
 	0,
 	_nested_town_directory_widgets, lengthof(_nested_town_directory_widgets)
@@ -1179,7 +1179,7 @@ public:
 };
 
 static WindowDesc _found_town_desc(
-	WDP_AUTO, 160, 162,
+	WDP_AUTO, "build_town", 160, 162,
 	WC_FOUND_TOWN, WC_NONE,
 	WDF_CONSTRUCTION,
 	_nested_found_town_widgets, lengthof(_nested_found_town_widgets)