diff -r c89fc366bebd -r 0ffb41625592 util/BitmapLibrary.py
--- a/util/BitmapLibrary.py	Thu Sep 02 21:36:29 2021 +0200
+++ b/util/BitmapLibrary.py	Thu Sep 02 22:18:14 2021 +0200
@@ -71,7 +71,7 @@
             height = max(bmp1.GetHeight(), bmp2.GetHeight())
 
             # Create bitmap with both icons
-            bmp = wx.EmptyBitmap(width, height)
+            bmp = wx.Bitmap(width, height)
             dc = wx.MemoryDC()
             dc.SelectObject(bmp)
             dc.Clear()