diff --git a/labkey/unsupported/wiki.py b/labkey/unsupported/wiki.py
index f65fe33..75e2569 100644
--- a/labkey/unsupported/wiki.py
+++ b/labkey/unsupported/wiki.py
@@ -49,7 +49,8 @@ def update_wiki(server_context, wiki_name, wiki_body, container_path=None):
     }
 
     try:
-        read_response = server_context.make_request(read_wiki_url, payload, headers=headers, method='GET')
+        read_response = server_context.make_request(read_wiki_url, payload, headers=headers, method='GET',
+                                                    non_json_response=True)
     except SSLError as e:
         print("There was a problem while attempting to submit the read for the wiki page " + str(wiki_name) + " via the URL " + str(e.geturl()) + ". The HTTP response code was " + str(e.getcode()))
         print("The HTTP client error was: " + format(e))
@@ -99,7 +100,8 @@ def update_wiki(server_context, wiki_name, wiki_body, container_path=None):
     wiki_vars['body'] = wiki_body
 
     try:
-        data = server_context.make_request(update_wiki_url, data=json.dumps(wiki_vars, sort_keys=True), headers=headers)
+        data = server_context.make_request(update_wiki_url, payload=json.dumps(wiki_vars, sort_keys=True),
+                                           headers=headers, non_json_response=True)
     except SSLError as e:
         print("There was a problem while attempting to submit the read for the wiki page '" + str(wiki_name) + "' via the URL " + str(e.geturl()) + ". The HTTP response code was " + str(e.getcode()))
         print("The HTTP client error was: " + format(e))
diff --git a/labkey/utils.py b/labkey/utils.py
index 182249a..8702de0 100644
--- a/labkey/utils.py
+++ b/labkey/utils.py
@@ -71,11 +71,13 @@ def handle_request_exception(e, server_context=None):
     raise ServerContextError(server_context, e)
 
 
-def handle_response(response):
+def handle_response(response, non_json_response=False):
     sc = response.status_code
 
     if (200 <= sc < 300) or sc == 304:
         try:
+            if non_json_response:
+                return response
             return response.json()
         except ValueError:
             result = dict(
@@ -89,6 +91,8 @@ def handle_response(response):
         raise RequestAuthorizationError(response)
     elif sc == 404:
         try:
+            if non_json_response:
+                return response
             response.json()  # attempt to decode response
             raise QueryNotFoundError(response)
         except ValueError:
@@ -135,7 +139,7 @@ def build_url(self, controller, action, container_path=None):
 
         return url
 
-    def make_request(self, url, payload, headers=None, timeout=300, method='POST'):
+    def make_request(self, url, payload, headers=None, timeout=300, method='POST', non_json_response=False):
 
         if self._api_key is not None:
             global API_KEY_TOKEN
@@ -164,6 +168,6 @@ def make_request(self, url, payload, headers=None, timeout=300, method='POST'):
                 raw_response = self._session.get(url, params=payload, headers=headers, timeout=timeout)
             else:
                 raw_response = self._session.post(url, data=payload, headers=headers, timeout=timeout)
-            return handle_response(raw_response)
+            return handle_response(raw_response, non_json_response)
         except RequestException as e:
             handle_request_exception(e, server_context=self)