diff --git a/Lib/distutils/command/register.py b/Lib/distutils/command/register.py
index dec9aa2..5fcc8d2 100644
--- a/Lib/distutils/command/register.py
+++ b/Lib/distutils/command/register.py
@@ -251,7 +251,7 @@
         body = StringIO.StringIO()
         for key, value in data.items():
             # handle multiple entries for the same name
-            if type(value) != type([]):
+            if type(value) not in (type([]), type( () )):
                 value = [value]
             for value in value:
                 value = unicode(value).encode("utf-8")
diff --git a/Misc/NEWS b/Misc/NEWS
index daa0add..485c5f0 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -65,6 +65,9 @@
 - Bug #1446043: correctly raise a LookupError if an encoding name given
   to encodings.search_function() contains a dot.
 
+- Bug #1545341: The 'classifier' keyword argument to the Distutils setup() 
+  function now accepts tuples as well as lists.
+
 - Bug #1560617: in pyclbr, return full module name not only for classes,
   but also for functions.