diff --git a/parse_rest/connection.py b/parse_rest/connection.py
index eac0310..5ac2d9c 100644
--- a/parse_rest/connection.py
+++ b/parse_rest/connection.py
@@ -67,7 +67,7 @@ class ParseBase(object):
     ENDPOINT_ROOT = API_ROOT
 
     @classmethod
-    def execute(cls, uri, http_verb, extra_headers=None, batch=False, body=None, **kw):
+    def execute(cls, uri, http_verb, extra_headers=None, batch=False, _body=None, **kw):
         """
         if batch == False, execute a command with the given parameters and
         return the response JSON.
@@ -88,10 +88,10 @@ def execute(cls, uri, http_verb, extra_headers=None, batch=False, body=None, **k
         master_key = ACCESS_KEYS.get('master_key')
 
         url = uri if uri.startswith(API_ROOT) else cls.ENDPOINT_ROOT + uri
-        if body is None:
+        if _body is None:
             data = kw and json.dumps(kw, default=date_handler) or "{}"
         else:
-            data = body
+            data = _body
         if http_verb == 'GET' and data:
             url += '?%s' % urlencode(kw)
             data = None
diff --git a/parse_rest/datatypes.py b/parse_rest/datatypes.py
index d77e0b0..1930d80 100644
--- a/parse_rest/datatypes.py
+++ b/parse_rest/datatypes.py
@@ -225,7 +225,7 @@ def save(self, batch=False):
             raise ParseError("Files can't be overwritten")
         uri = '/'.join([self.__class__.ENDPOINT_ROOT, self.name])
         headers = {'Content-type': self.mimetype}
-        response = self.__class__.POST(uri, extra_headers=headers, batch=batch, body=self._content)
+        response = self.__class__.POST(uri, extra_headers=headers, batch=batch, _body=self._content)
         self._file_url = response['url']
         self._name = response['name']
         self._api_url = '/'.join([API_ROOT, 'files', self._name])