diff --git a/moto/s3/responses.py b/moto/s3/responses.py
index 43f690bc8..6240c6b53 100755
--- a/moto/s3/responses.py
+++ b/moto/s3/responses.py
@@ -19,7 +19,7 @@ from .exceptions import BucketAlreadyExists, S3ClientError, MissingBucket, Missi
     MalformedACLError, InvalidNotificationARN, InvalidNotificationEvent
 from .models import s3_backend, get_canned_acl, FakeGrantee, FakeGrant, FakeAcl, FakeKey, FakeTagging, FakeTagSet, \
     FakeTag
-from .utils import bucket_name_from_url, metadata_from_headers, parse_region_from_url
+from .utils import bucket_name_from_url, clean_key_name, metadata_from_headers, parse_region_from_url
 from xml.dom import minidom
 
 
@@ -733,7 +733,7 @@ class ResponseObject(_TemplateEnvironmentMixin):
             # Copy key
             # you can have a quoted ?version=abc with a version Id, so work on
             # we need to parse the unquoted string first
-            src_key = request.headers.get("x-amz-copy-source")
+            src_key = clean_key_name(request.headers.get("x-amz-copy-source"))
             if isinstance(src_key, six.binary_type):
                 src_key = src_key.decode('utf-8')
             src_key_parsed = urlparse(src_key)
diff --git a/tests/test_s3/test_s3.py b/tests/test_s3/test_s3.py
index 7a53804ff..eea720240 100644
--- a/tests/test_s3/test_s3.py
+++ b/tests/test_s3/test_s3.py
@@ -418,6 +418,22 @@ def test_copy_key():
         "new-key").get_contents_as_string().should.equal(b"some value")
 
 
+@mock_s3_deprecated
+def test_copy_key_with_unicode():
+    conn = boto.connect_s3('the_key', 'the_secret')
+    bucket = conn.create_bucket("foobar")
+    key = Key(bucket)
+    key.key = "the-unicode-💩-key"
+    key.set_contents_from_string("some value")
+
+    bucket.copy_key('new-key', 'foobar', 'the-unicode-💩-key')
+
+    bucket.get_key(
+        "the-unicode-💩-key").get_contents_as_string().should.equal(b"some value")
+    bucket.get_key(
+        "new-key").get_contents_as_string().should.equal(b"some value")
+
+
 @mock_s3_deprecated
 def test_copy_key_with_version():
     conn = boto.connect_s3('the_key', 'the_secret')