diff --git a/stripe/api_requestor.py b/stripe/api_requestor.py
index 97a2cccdd..36a2075e0 100644
--- a/stripe/api_requestor.py
+++ b/stripe/api_requestor.py
@@ -332,7 +332,8 @@ def request_raw(self, method, url, params=None, supplied_headers=None):
 
         util.log_info('Request to Stripe api', method=method, path=abs_url)
         util.log_debug(
-            'Post details', post_data=post_data, api_version=self.api_version)
+            'Post details',
+            post_data=encoded_params, api_version=self.api_version)
 
         rbody, rcode, rheaders = self._client.request(
             method, abs_url, headers, post_data)
diff --git a/tests/test_api_requestor.py b/tests/test_api_requestor.py
index 350e6887d..a8e162361 100644
--- a/tests/test_api_requestor.py
+++ b/tests/test_api_requestor.py
@@ -2,6 +2,7 @@
 
 import datetime
 import unittest2
+import tempfile
 
 from mock import Mock, ANY
 
@@ -475,6 +476,15 @@ def test_invalid_grant_error(self):
                           self.requestor.request,
                           'get', self.valid_path, {})
 
+    def test_raw_request_with_file_param(self):
+        test_file = tempfile.NamedTemporaryFile()
+        test_file.write('\u263A'.encode('utf-16'))
+        test_file.seek(0)
+        params = {'file': test_file, 'purpose': 'dispute_evidence'}
+        supplied_headers = {'Content-Type': 'multipart/form-data'}
+        self.mock_response('{}', 200)
+        self.requestor.request('post', '/v1/files', params, supplied_headers)
+
 
 class DefaultClientTests(unittest2.TestCase):