diff --git a/Lib/test/test_traceback.py b/Lib/test/test_traceback.py
index 17413db..d39322f 100644
--- a/Lib/test/test_traceback.py
+++ b/Lib/test/test_traceback.py
@@ -296,6 +296,12 @@
         self.assertTrue('inner_raise() # Marker' in blocks[2])
         self.check_zero_div(blocks[2])
 
+    def test_syntax_error_offset_at_eol(self):
+        # See #10186.
+        def e():
+            raise SyntaxError('', ('', 0, 5, 'hello'))
+        msg = self.get_report(e).splitlines()
+        self.assertEqual(msg[-2], "        ^")
 
 
 class PyExcReportingTests(BaseExceptionReportingTests, unittest.TestCase):