diff --git a/awscli/customizations/s3/fileinfo.py b/awscli/customizations/s3/fileinfo.py
index 3d9f04208c31..9e174569c87e 100644
--- a/awscli/customizations/s3/fileinfo.py
+++ b/awscli/customizations/s3/fileinfo.py
@@ -235,7 +235,7 @@ def copy(self):
         """
         Copies a object in s3 to another location in s3.
         """
-        copy_source = self.src.encode('utf-8')
+        copy_source = self.src
         bucket, key = find_bucket_key(self.dest)
         params = {'endpoint': self.endpoint, 'bucket': bucket,
                   'copy_source': copy_source, 'key': key}
diff --git a/awscli/customizations/s3/tasks.py b/awscli/customizations/s3/tasks.py
index a014f6778118..d187fb105530 100644
--- a/awscli/customizations/s3/tasks.py
+++ b/awscli/customizations/s3/tasks.py
@@ -7,7 +7,6 @@
 
 from botocore.vendored import requests
 from botocore.exceptions import IncompleteReadError
-from botocore.compat import quote
 
 from awscli.customizations.s3.utils import find_bucket_key, MD5Error, \
     operate, ReadFileChunk, relative_path, IORequest, IOCloseRequest
diff --git a/tests/unit/customizations/s3/fake_session.py b/tests/unit/customizations/s3/fake_session.py
index 021afbc82a05..979c3ee37eb5 100644
--- a/tests/unit/customizations/s3/fake_session.py
+++ b/tests/unit/customizations/s3/fake_session.py
@@ -13,6 +13,7 @@
 import hashlib
 from operator import itemgetter
 from botocore.vendored import requests
+from six import text_type
 from six import StringIO
 from io import BytesIO
 
@@ -223,7 +224,7 @@ def copy_object(self, kwargs):
         key = kwargs['key']
         copy_source = kwargs['copy_source']
         src_bucket, src_key = find_bucket_key(copy_source)
-        if hasattr(src_key, 'decode'):
+        if not isinstance(src_key, text_type) and hasattr(src_key, 'decode'):
             src_key = src_key.decode('utf-8')
         response_data = {}
         etag = ''