diff --git a/Lib/fontTools/unicodedata/__init__.py b/Lib/fontTools/unicodedata/__init__.py
index 0a69dbd44..79462c76d 100644
--- a/Lib/fontTools/unicodedata/__init__.py
+++ b/Lib/fontTools/unicodedata/__init__.py
@@ -75,7 +75,7 @@ def script_extension(char):
 
     >>> script_extension("a") == {'Latn'}
     True
-    >>> script_extension(unichr(0x060C)) == {'Arab', 'Syrc', 'Thaa'}
+    >>> script_extension(unichr(0x060C)) == {'Arab', 'Rohg', 'Syrc', 'Thaa'}
     True
     >>> script_extension(unichr(0x10FFFF)) == {'Zzzz'}
     True
diff --git a/Tests/unicodedata_test.py b/Tests/unicodedata_test.py
index 96c0f01dd..190576fd4 100644
--- a/Tests/unicodedata_test.py
+++ b/Tests/unicodedata_test.py
@@ -165,8 +165,9 @@ def test_script_extension():
 
     assert unicodedata.script_extension("\u0660") == {'Arab', 'Thaa'}
     assert unicodedata.script_extension("\u0964") == {
-        'Beng', 'Deva', 'Gran', 'Gujr', 'Guru', 'Knda', 'Mahj', 'Mlym',
-        'Orya', 'Sind', 'Sinh', 'Sylo', 'Takr', 'Taml', 'Telu', 'Tirh'}
+        'Beng', 'Deva', 'Dogr', 'Gong', 'Gran', 'Gujr', 'Guru', 'Knda',
+        'Mahj', 'Mlym', 'Orya', 'Sind', 'Sinh', 'Sylo', 'Takr', 'Taml',
+        'Telu', 'Tirh'}
 
 
 def test_script_name():
@@ -200,7 +201,8 @@ def test_block():
     assert unicodedata.block("\x00") == "Basic Latin"
     assert unicodedata.block("\x7F") == "Basic Latin"
     assert unicodedata.block("\x80") == "Latin-1 Supplement"
-    assert unicodedata.block("\u1c90") == "No_Block"
+    assert unicodedata.block("\u1c90") == "Georgian Extended"
+    assert unicodedata.block("\u0870") == "No_Block"
 
 
 def test_ot_tags_from_script():