diff --git a/doc/s3api/conf/ceph-known-failures-keystone.yaml b/doc/s3api/conf/ceph-known-failures-keystone.yaml
index b1f667fe16..3a50627bbf 100644
--- a/doc/s3api/conf/ceph-known-failures-keystone.yaml
+++ b/doc/s3api/conf/ceph-known-failures-keystone.yaml
@@ -42,7 +42,6 @@ ceph_s3:
   s3tests.functional.test_s3.test_object_acl_xml_writeacp: {status: KNOWN}
   s3tests.functional.test_s3.test_object_copy_canned_acl: {status: KNOWN}
   s3tests.functional.test_s3.test_object_copy_not_owned_object_bucket: {status: KNOWN}
-  s3tests.functional.test_s3.test_object_copy_replacing_metadata: {status: KNOWN}
   s3tests.functional.test_s3.test_object_giveaway: {status: KNOWN}
   s3tests.functional.test_s3.test_object_header_acl_grants: {status: KNOWN}
   s3tests.functional.test_s3.test_object_raw_get: {status: KNOWN}
diff --git a/doc/s3api/conf/ceph-known-failures-tempauth.yaml b/doc/s3api/conf/ceph-known-failures-tempauth.yaml
index cc3e1e7aa5..41c1b0b3b9 100644
--- a/doc/s3api/conf/ceph-known-failures-tempauth.yaml
+++ b/doc/s3api/conf/ceph-known-failures-tempauth.yaml
@@ -23,7 +23,6 @@ ceph_s3:
   s3tests.functional.test_s3.test_logging_toggle: {status: KNOWN}
   s3tests.functional.test_s3.test_multipart_resend_first_finishes_last: {status: KNOWN}
   s3tests.functional.test_s3.test_object_copy_canned_acl: {status: KNOWN}
-  s3tests.functional.test_s3.test_object_copy_replacing_metadata: {status: KNOWN}
   s3tests.functional.test_s3.test_object_header_acl_grants: {status: KNOWN}
   s3tests.functional.test_s3.test_object_raw_get: {status: KNOWN}
   s3tests.functional.test_s3.test_object_raw_get_bucket_acl: {status: KNOWN}
diff --git a/swift/common/middleware/s3api/s3request.py b/swift/common/middleware/s3api/s3request.py
index 2ae7ac4f6a..6173ecd03c 100644
--- a/swift/common/middleware/s3api/s3request.py
+++ b/swift/common/middleware/s3api/s3request.py
@@ -1111,14 +1111,13 @@ class S3Request(swob.Request):
             env['HTTP_X_COPY_FROM'] = env['HTTP_X_AMZ_COPY_SOURCE']
             del env['HTTP_X_AMZ_COPY_SOURCE']
             env['CONTENT_LENGTH'] = '0'
-            # Content type cannot be modified on COPY
-            env.pop('CONTENT_TYPE', None)
             if env.pop('HTTP_X_AMZ_METADATA_DIRECTIVE', None) == 'REPLACE':
                 env['HTTP_X_FRESH_METADATA'] = 'True'
             else:
                 copy_exclude_headers = ('HTTP_CONTENT_DISPOSITION',
                                         'HTTP_CONTENT_ENCODING',
                                         'HTTP_CONTENT_LANGUAGE',
+                                        'CONTENT_TYPE',
                                         'HTTP_EXPIRES',
                                         'HTTP_CACHE_CONTROL',
                                         'HTTP_X_ROBOTS_TAG')
diff --git a/test/unit/common/middleware/s3api/test_obj.py b/test/unit/common/middleware/s3api/test_obj.py
index d24b6012e9..5a300f803f 100644
--- a/test/unit/common/middleware/s3api/test_obj.py
+++ b/test/unit/common/middleware/s3api/test_obj.py
@@ -697,8 +697,7 @@ class TestS3ApiObj(S3ApiTestCase):
         self.assertEqual(headers['Content-Disposition'], 'how are you')
         self.assertEqual(headers['Content-Encoding'], 'good and you')
         self.assertEqual(headers['Content-Language'], 'great')
-        # Content-Type can't be set during an S3 copy operation
-        self.assertIsNone(headers.get('Content-Type'))
+        self.assertEqual(headers['Content-Type'], 'so')
         self.assertEqual(headers['Expires'], 'yeah')
         self.assertEqual(headers['X-Robots-Tag'], 'bye')
 
@@ -1187,5 +1186,6 @@ class TestS3ApiObjNonUTC(TestS3ApiObj):
         os.environ['TZ'] = self.orig_tz
         time.tzset()
 
+
 if __name__ == '__main__':
     unittest.main()