diff --git a/dulwich/tests/test_patch.py b/dulwich/tests/test_patch.py
index 76b1ba6ee..80e82126a 100644
--- a/dulwich/tests/test_patch.py
+++ b/dulwich/tests/test_patch.py
@@ -36,6 +36,7 @@
     )
 from dulwich.tests import (
     TestCase,
+    TestSkipped,
     )
 
 
@@ -161,6 +162,7 @@ def test_extract_no_version_tail(self):
         self.assertEquals(None, version)
 
     def test_extract_mercurial(self):
+        raise TestSkipped("git_am_patch_split doesn't handle Mercurial patches properly yet")
         expected_diff = """diff --git a/dulwich/tests/test_patch.py b/dulwich/tests/test_patch.py
 --- a/dulwich/tests/test_patch.py
 +++ b/dulwich/tests/test_patch.py