=== modified file 'a/breezy/git/mapping.py'
--- a/breezy/git/mapping.py
+++ b/breezy/git/mapping.py
@@ -121,6 +121,8 @@ def fix_person_identifier(text):
     if b"<" not in text and b">" not in text:
         username = text
         email = text
+    elif b">" not in text:
+        return text + b">"
     else:
         if text.rindex(b">") < text.rindex(b"<"):
             raise ValueError(text)
--- a/breezy/git/tests/test_mapping.py
+++ b/breezy/git/tests/test_mapping.py
@@ -443,9 +443,14 @@ class FixPersonIdentifierTests(tests.Tes
                          fix_person_identifier(b"bar@blah.nl"))
 
     def test_fix(self):
-        self.assertEqual(b"person <bar@blah.nl>",
-                         fix_person_identifier(b"somebody <person <bar@blah.nl>>"))
-        self.assertEqual(b"person <bar@blah.nl>",
-                         fix_person_identifier(b"person<bar@blah.nl>"))
+        self.assertEqual(
+            b"person <bar@blah.nl>",
+            fix_person_identifier(b"somebody <person <bar@blah.nl>>"))
+        self.assertEqual(
+            b"person <bar@blah.nl>",
+            fix_person_identifier(b"person<bar@blah.nl>"))
+        self.assertEqual(
+            b'Rohan Garg <rohangarg@kubuntu.org>',
+            fix_person_identifier(b'Rohan Garg <rohangarg@kubuntu.org'))
         self.assertRaises(ValueError,
                           fix_person_identifier, b"person >bar@blah.nl<")