diff --git a/setup.py b/setup.py
index 7b71cbe..4579b12 100755
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@ except:
 
 setuptools.setup(
         name='warcprox',
-        version='2.4b2.dev169',
+        version='2.4b2.dev170',
         description='WARC writing MITM HTTP/S proxy',
         url='https://github.com/internetarchive/warcprox',
         author='Noah Levitt',
diff --git a/tests/test_warcprox.py b/tests/test_warcprox.py
index d9d7341..269deee 100755
--- a/tests/test_warcprox.py
+++ b/tests/test_warcprox.py
@@ -790,7 +790,7 @@ def test_dedup_buckets(https_daemon, http_daemon, warcprox_, archiving_proxies,
     dedup_date = dedup_lookup['date']
 
     # archive url2 bucket_a
-    headers = {"Warcprox-Meta": json.dumps({"warc-prefix":"test_dedup_buckets","dedup-bucket":"bucket_a"})}
+    headers = {"Warcprox-Meta": json.dumps({"warc-prefix":"test_dedup_buckets","captures-bucket":"bucket_a"})}
     response = requests.get(url2, proxies=archiving_proxies, verify=False, headers=headers)
     assert response.status_code == 200
     assert response.headers['warcprox-test-header'] == 'k!'
diff --git a/warcprox/warcproxy.py b/warcprox/warcproxy.py
index 2477a06..0d93e5c 100644
--- a/warcprox/warcproxy.py
+++ b/warcprox/warcproxy.py
@@ -350,6 +350,10 @@ class RecordedUrl:
         self.response_recorder = response_recorder
 
         if warcprox_meta:
+            if 'captures-bucket' in warcprox_meta:
+                # backward compatibility
+                warcprox_meta['dedup-bucket'] = warcprox_meta['captures-bucket']
+                del warcprox_meta['captures-bucket']
             self.warcprox_meta = warcprox_meta
         else:
             self.warcprox_meta = {}