diff --git a/IPython/nbconvert/filters/tests/test_strings.py b/IPython/nbconvert/filters/tests/test_strings.py
index 7f2a9f3..2992b92 100644
--- a/IPython/nbconvert/filters/tests/test_strings.py
+++ b/IPython/nbconvert/filters/tests/test_strings.py
@@ -54,7 +54,7 @@ class TestStrings(TestsBase):
         add_anchor test
         """
         #TODO: More tests
-        assert add_anchor('<b>Hello World!</b>') == '<b id="Hello-World!">Hello World!<a class="anchor-link" href="#Hello-World!">&#182;</a></b>'
+        self.fuzzy_compare(add_anchor('<b>Hello World!</b>'), '<b id="Hello-World!">Hello World!<a class="anchor-link" href="#Hello-World!">&#182;</a></b>')
 
         
     def test_strip_dollars(self):