--- a/eric6/Preferences/__init__.py	Thu Apr 08 17:27:12 2021 +0200
+++ b/eric6/Preferences/__init__.py	Thu Apr 08 18:27:47 2021 +0200
@@ -1877,7 +1877,7 @@
     """
     lang = prefClass.settings.value("UI/Language",
                                     prefClass.uiDefaults["Language"])
-    if lang == "None" or lang == "" or lang is None:
+    if lang in ("None", "", None):
         return None
     else:
         return lang