diff --git a/src/utils.py b/src/utils.py
index b2ea2d77b..bf3e2afa9 100755
--- a/src/utils.py
+++ b/src/utils.py
@@ -267,7 +267,7 @@ def findBinaryInPath(s):
             break
     return cmdLine
 
-def commaAndify(seq, And='and'):
+def commaAndify(seq, comma=',', And='and'):
     """Given a a sequence, returns an english clause for that sequence.
 
     I.e., given [1, 2, 3], returns '1, 2, and 3'
@@ -282,7 +282,8 @@ def commaAndify(seq, And='and'):
         return ' '.join(L)
     else:
         L[-1] = '%s %s' % (And, L[-1])
-        return ', '.join(L)
+        sep = '%s ' % comma
+        return sep.join(L)
 
 _unCommaTheRe = re.compile(r'(.*),\s*(the)$', re.I)
 def unCommaThe(s):
diff --git a/test/test_utils.py b/test/test_utils.py
index a2e607189..2367d7cd4 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -192,17 +192,20 @@ class UtilsTest(SupyTestCase):
         L = ['foo']
         original = L[:]
         self.assertEqual(utils.commaAndify(L), 'foo')
-        self.assertEqual(utils.commaAndify(L, 'or'), 'foo')
+        self.assertEqual(utils.commaAndify(L, And='or'), 'foo')
         self.assertEqual(L, original)
         L.append('bar')
         original = L[:]
         self.assertEqual(utils.commaAndify(L), 'foo and bar')
-        self.assertEqual(utils.commaAndify(L, 'or'), 'foo or bar')
+        self.assertEqual(utils.commaAndify(L, And='or'), 'foo or bar')
         self.assertEqual(L, original)
         L.append('baz')
         original = L[:]
         self.assertEqual(utils.commaAndify(L), 'foo, bar, and baz')
-        self.assertEqual(utils.commaAndify(L, 'or'), 'foo, bar, or baz')
+        self.assertEqual(utils.commaAndify(L, And='or'), 'foo, bar, or baz')
+        self.assertEqual(utils.commaAndify(L, comma=';'), 'foo; bar; and baz')
+        self.assertEqual(utils.commaAndify(L, comma=';', And='or'),
+                         'foo; bar; or baz')
         self.assertEqual(L, original)
         self.failUnless(utils.commaAndify(sets.Set(L)))