diff --git a/src/calibre/ebooks/metadata/sources/amazon.py b/src/calibre/ebooks/metadata/sources/amazon.py
index ba763ebfb3..3564c2f1cf 100644
--- a/src/calibre/ebooks/metadata/sources/amazon.py
+++ b/src/calibre/ebooks/metadata/sources/amazon.py
@@ -1162,6 +1162,14 @@ if __name__ == '__main__':  # tests {{{
     ]  # }}}
 
     de_tests = [  # {{{
+            (
+                {'identifiers':{'isbn': '9783453314979'}},
+                [title_test('Die letzten Wächter: Roman (Der Wächter-Zyklus, Band 6)',
+                    exact=False), authors_test(['Sergej Lukianenko'])
+                 ]
+
+            ),
+
             (
                 {'identifiers':{'isbn': '3548283519'}},
                 [title_test('Wer Wind Sät: Der Fünfte Fall Für Bodenstein Und Kirchhoff',