diff --git a/misc_gui.c b/misc_gui.c
--- a/misc_gui.c
+++ b/misc_gui.c
@@ -326,7 +326,7 @@ static const Widget _build_trees_widgets
 
 static const WindowDesc _build_trees_desc = {
 	497, 22, 143, 171,
-	WC_BUILD_TOOLBAR,0,
+	WC_BUILD_TREES, WC_SCEN_LAND_GEN,
 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
 	_build_trees_widgets,
 	BuildTreesWndProc
@@ -355,7 +355,7 @@ static const Widget _build_trees_scen_wi
 
 static const WindowDesc _build_trees_scen_desc = {
 	-1, -1, 143, 184,
-	WC_SCEN_BUILD_TREES,0,
+	WC_BUILD_TREES,0,
 	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
 	_build_trees_scen_widgets,
 	BuildTreesWndProc
@@ -364,7 +364,6 @@ static const WindowDesc _build_trees_sce
 
 void ShowBuildTreesToolbar()
 {
-	DeleteWindowById(WC_BUILD_TOOLBAR, 0);
 	AllocateWindowDesc(&_build_trees_desc);
 }