diff --git a/src/calibre/ebooks/metadata/search_internet.py b/src/calibre/ebooks/metadata/search_internet.py
index d5d9a30ebe..23e0aa49a9 100644
--- a/src/calibre/ebooks/metadata/search_internet.py
+++ b/src/calibre/ebooks/metadata/search_internet.py
@@ -15,7 +15,7 @@ AUTHOR_SEARCHES = {
     'google':
     'https://www.google.com/search?tbm=bks&q=inauthor:%22{author}%22',
     'amzn':
-    'https://www.amazon.com/gp/search/ref=sr_adv_b/?search-alias=stripbooks&unfiltered=1&field-author={author}&field-dateop=During&sort=relevanceexprank'
+    'https://www.amazon.com/gp/search/ref=sr_adv_b/?search-alias=stripbooks&unfiltered=1&field-author={author}&sort=relevanceexprank'
 }
 
 BOOK_SEARCHES = {