diff --git a/git/diff.py b/git/diff.py
index 28c10e49e..729970c47 100644
--- a/git/diff.py
+++ b/git/diff.py
@@ -471,6 +471,11 @@ def handle_diff_line(line):
 
             meta, _, path = line[1:].partition('\t')
             old_mode, new_mode, a_blob_id, b_blob_id, change_type = meta.split(None, 4)
+            # Change type can be R100
+            # R: status letter
+            # 100: score (in case of copy and rename)
+            change_type = change_type[0]
+            score = ''.join(change_type[1:]) or None
             path = path.strip()
             a_path = path.encode(defenc)
             b_path = path.encode(defenc)
diff --git a/git/test/test_diff.py b/git/test/test_diff.py
index 48a5a641f..6dc73e82b 100644
--- a/git/test/test_diff.py
+++ b/git/test/test_diff.py
@@ -108,6 +108,7 @@ def test_diff_with_rename(self):
         self.assertIsNotNone(diff.renamed)
         self.assertEqual(diff.rename_from, 'this')
         self.assertEqual(diff.rename_to, 'that')
+        self.assertEqual(diff.change_type, 'R')
         self.assertEqual(len(list(diffs.iter_change_type('R'))), 1)
 
     def test_diff_of_modified_files_not_added_to_the_index(self):