diff --git a/core/results.py b/core/results.py
index 500141b2..9c74f1de 100644
--- a/core/results.py
+++ b/core/results.py
@@ -284,9 +284,12 @@ class Results(Markable):
                 except AttributeError:
                     words = ()
                 file_elem = etree.SubElement(group_elem, 'file')
-                file_elem.set('path', unicode(d.path))
+                try:
+                    file_elem.set('path', unicode(d.path))
+                    file_elem.set('words', ','.join(words))
+                except ValueError: # If there's an invalid character, just skip the file
+                    file_elem.set('path', '')
                 file_elem.set('is_ref', ('y' if d.is_ref else 'n'))
-                file_elem.set('words', ','.join(words))
                 file_elem.set('marked', ('y' if self.is_marked(d) else 'n'))
             for match in g.matches:
                 match_elem = etree.SubElement(group_elem, 'match')
diff --git a/core/tests/results_test.py b/core/tests/results_test.py
index cdc682e7..e03bd339 100644
--- a/core/tests/results_test.py
+++ b/core/tests/results_test.py
@@ -574,6 +574,12 @@ class TCResultsXML(TestCase):
         # apply_filter() searches on the whole path, not just on the filename.
         self.results.apply_filter(u'basepath')
         eq_(len(self.results.groups), 2)
+    
+    def test_save_xml_with_invalid_characters(self):
+        # Don't crash when saving files that have invalid xml characters in their path
+        self.objects[0].name = u'foo\x19'
+        self.results.save_to_xml(StringIO.StringIO()) # don't crash
+    
 
 class TCResultsFilter(TestCase):
     def setUp(self):