diff --git a/main_gui.c b/main_gui.c
index e7fc6fb93b..5dfe9d18c5 100644
--- a/main_gui.c
+++ b/main_gui.c
@@ -2472,3 +2472,9 @@ void GameSizeChanged(void)
 	ScreenSizeChanged();
 	MarkWholeScreenDirty();
 }
+
+void InitializeMainGui(void)
+{
+	/* Clean old GUI values */
+	_last_built_railtype = 0;
+}
diff --git a/misc.c b/misc.c
index 61819cf5d1..1fda901a2c 100644
--- a/misc.c
+++ b/misc.c
@@ -101,6 +101,7 @@ void InitializeAirportGui(void);
 void InitializeDock(void);
 void InitializeDockGui(void);
 void InitializeIndustries(void);
+void InitializeMainGui(void);
 void InitializeLandscape(void);
 void InitializeTowns(void);
 void InitializeTrees(void);
@@ -165,6 +166,7 @@ void InitializeGame(int mode, uint size_x, uint size_y)
 	InitializeSigns();
 	InitializeStations();
 	InitializeIndustries();
+	InitializeMainGui();
 
 	InitializeNameMgr();
 	InitializeVehiclesGuiList();