diff --git a/warcprox/dedup.py b/warcprox/dedup.py
index 09f5996..336747f 100644
--- a/warcprox/dedup.py
+++ b/warcprox/dedup.py
@@ -424,7 +424,7 @@ class BatchTroughLoader(warcprox.BaseBatchPostfetchProcessor):
             if (recorded_url.response_recorder
                     and recorded_url.payload_digest
                     and self.trough_dedup_db.should_dedup(recorded_url)
-                    and '{}{}'.format(recorded_url.payload_digest, recorded_url.url) not in hash_plus_urls):
+                    and hash_plus_url not in hash_plus_urls):
                 hash_plus_urls.add(hash_plus_url)
                 if (recorded_url.warcprox_meta
                         and 'dedup-buckets' in recorded_url.warcprox_meta):
@@ -435,13 +435,13 @@ class BatchTroughLoader(warcprox.BaseBatchPostfetchProcessor):
             else:
                 if hash_plus_url in hash_plus_urls:
                     self.logger.debug(
-                        'discarding duplicate {}'.format(hash_plus_url)
+                        'discarding duplicate {}'.format(hash_plus_url))
                 discards.append(
                         warcprox.digest_str(
                             recorded_url.payload_digest, self.options.base32)
                         if recorded_url.payload_digest else 'n/a')
         self.logger.debug(
-                'hash_plus_urls: {}'.format(hash_plus_urls))
+                'hash_plus_urls: {}...'.format(hash_plus_urls[0]))
         self.logger.debug(
                 'len(batch)=%s len(discards)=%s buckets=%s',
                 len(batch), len(discards),