diff --git a/.gitignore b/.gitignore
index 95c63be..7667c6a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,10 @@
 *.pyc
 *.pyo
 *.class
+*.egg-info
 *~
 *#
 /doc/generated/*
 /runpy
 /build
-.coverage
\ No newline at end of file
+.coverage
diff --git a/amazon_pay/payment_request.py b/amazon_pay/payment_request.py
index 48ac515..cc3fd7f 100644
--- a/amazon_pay/payment_request.py
+++ b/amazon_pay/payment_request.py
@@ -125,6 +125,7 @@ def _request(self, retry_time):
             headers=self._headers,
             verify=True)
         self._status_code = r.status_code
+        r.encoding = r.apparent_encoding	# for multibyte string
 
         if self._status_code == 200:
             self.success = True
@@ -180,4 +181,4 @@ def _sanitize_response_data(self, text):
     
         for pattern in patterns:
             editText = re.sub(pattern, replacement, editText)
-        return editText
\ No newline at end of file
+        return editText