diff --git a/.travis.yml b/.travis.yml
index d8d38d9..199140f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,7 @@ before_install:
 
 install:
 - pip3 install twisted appnope
+- pip3 install -U https://github.com/requests/requests/zipball/master
 
 
 before_deploy:
diff --git a/buildPy2app.py b/buildPy2app.py
index f889c3d..74cb424 100755
--- a/buildPy2app.py
+++ b/buildPy2app.py
@@ -15,7 +15,7 @@ DATA_FILES = [
 ]
 OPTIONS = {
 	'iconfile':'resources/icon.icns',
-	'includes': {'PySide2.QtCore', 'PySide2.QtUiTools', 'PySide2.QtGui','PySide2.QtWidgets'},
+	'includes': {'PySide2.QtCore', 'PySide2.QtUiTools', 'PySide2.QtGui','PySide2.QtWidgets', 'certifi'},
     'excludes': {'PySide', 'PySide.QtCore', 'PySide.QtUiTools', 'PySide.QtGui'},
     'qt_plugins': ['platforms/libqcocoa.dylib', 'platforms/libqminimal.dylib','platforms/libqoffscreen.dylib'],
 	'plist': {
diff --git a/buildPy2exe.py b/buildPy2exe.py
index fe451d6..721a442 100755
--- a/buildPy2exe.py
+++ b/buildPy2exe.py
@@ -721,8 +721,8 @@ info = dict(
     options={'py2exe': {
                          'dist_dir': OUT_DIR,
                          'packages': 'PySide2.QtUiTools',
-                         'includes': 'twisted, sys, encodings, datetime, os, time, math, PySide2, liburl, ast, unicodedata',
-                         'excludes': 'venv, _ssl, doctest, pdb, unittest, win32clipboard, win32file, win32pdh, win32security, win32trace, win32ui, winxpgui, win32pipe, win32process, Tkinter',
+                         'includes': 'twisted, sys, encodings, datetime, os, time, math, PySide2, liburl, ast, unicodedata, _ssl',
+                         'excludes': 'venv, doctest, pdb, unittest, win32clipboard, win32file, win32pdh, win32security, win32trace, win32ui, winxpgui, win32pipe, win32process, Tkinter',
                          'dll_excludes': 'msvcr71.dll, MSVCP90.dll, POWRPROF.dll',
                          'optimize': 2,
                          'compressed': 1
diff --git a/syncplay/client.py b/syncplay/client.py
index e56a5c1..1e7d965 100755
--- a/syncplay/client.py
+++ b/syncplay/client.py
@@ -11,7 +11,8 @@ from twisted.internet import reactor, task, defer, threads
 from functools import wraps
 from copy import deepcopy
 from syncplay.protocols import SyncClientProtocol
-from syncplay import utils, constants
+from syncplay import utils, constants, version
+from syncplay.utils import isMacOS
 from syncplay.messages import getMissingStrings, getMessage
 from syncplay.constants import PRIVACY_SENDHASHED_MODE, PRIVACY_DONTSEND_MODE, \
     PRIVACY_HIDDENFILENAME
@@ -908,12 +909,15 @@ class SyncplayClient(object):
     def checkForUpdate(self, userInitiated):
         try:
             import urllib.request, urllib.parse, urllib.error, syncplay, sys, json
-            params = urllib.parse.urlencode({'version': syncplay.version, 'milestone': syncplay.milestone, 'release_number': syncplay.release_number,
-                                   'language': syncplay.messages.messages["CURRENT"], 'platform': sys.platform, 'userInitiated': userInitiated})
-
-            f = urllib.request.urlopen(constants.SYNCPLAY_UPDATE_URL.format(params))
-            response = f.read()
-            response = response.decode('utf-8')
+            params = urllib.parse.urlencode({'version': syncplay.version, 'milestone': syncplay.milestone, 'release_number': syncplay.release_number, 'language': syncplay.messages.messages["CURRENT"], 'platform': sys.platform, 'userInitiated': userInitiated})
+            if isMacOS():
+                import requests
+                response = requests.get(constants.SYNCPLAY_UPDATE_URL.format(params))
+                response = response.text
+            else:
+                f = urllib.request.urlopen(constants.SYNCPLAY_UPDATE_URL.format(params))
+                response = f.read()
+                response = response.decode('utf-8')
             response = response.replace("<p>","").replace("</p>","").replace("<br />","").replace("&#8220;","\"").replace("&#8221;","\"") # Fix Wordpress
             response = json.loads(response)
             publicServers = None
diff --git a/syncplay/ui/GuiConfiguration.py b/syncplay/ui/GuiConfiguration.py
index f7c167c..ab24c50 100755
--- a/syncplay/ui/GuiConfiguration.py
+++ b/syncplay/ui/GuiConfiguration.py
@@ -20,6 +20,7 @@ class GuiConfiguration:
         self.config = config
         self._availablePlayerPaths = []
         self.error = error
+        constants.DEBUG_MODE = config['debug']
 
     def run(self):
         if QCoreApplication.instance() is None:
@@ -342,7 +343,7 @@ class ConfigDialog(QtWidgets.QDialog):
         try:
             servers = utils.getListOfPublicServers()
         except IOError as e:
-            self.showErrorMessage(str(e))
+            self.showErrorMessage(e.args[0])
             return
         currentServer = self.hostCombobox.currentText()
         self.hostCombobox.clear()
diff --git a/syncplay/utils.py b/syncplay/utils.py
index d0ce940..6f8beae 100755
--- a/syncplay/utils.py
+++ b/syncplay/utils.py
@@ -14,6 +14,7 @@ import ast
 import unicodedata
 import platform
 import subprocess
+import traceback
 
 folderSearchEnabled = True
 
@@ -375,12 +376,16 @@ def open_system_file_browser(path):
 
 def getListOfPublicServers():
     try:
-        import urllib.request, urllib.parse, urllib.error, syncplay, sys, json
-        params = urllib.parse.urlencode({'version': syncplay.version, 'milestone': syncplay.milestone, 'release_number': syncplay.release_number,
-                                   'language': syncplay.messages.messages["CURRENT"]})
-        f = urllib.request.urlopen(constants.SYNCPLAY_PUBLIC_SERVER_LIST_URL.format(params))
-        response = f.read()
-        response = response.decode('utf-8')
+        import urllib.request, urllib.parse, urllib.error, syncplay, sys
+        params = urllib.parse.urlencode({'version': syncplay.version, 'milestone': syncplay.milestone, 'release_number': syncplay.release_number, 'language': syncplay.messages.messages["CURRENT"]})
+        if isMacOS():
+            import requests
+            response = requests.get(constants.SYNCPLAY_PUBLIC_SERVER_LIST_URL.format(params))
+            response = response.text
+        else:
+            f = urllib.request.urlopen(constants.SYNCPLAY_PUBLIC_SERVER_LIST_URL.format(params))
+            response = f.read()
+            response = response.decode('utf-8')
         response = response.replace("<p>","").replace("</p>","").replace("<br />","").replace("&#8220;","'").replace("&#8221;","'").replace(":&#8217;","'").replace("&#8217;","'").replace("&#8242;","'").replace("\n","").replace("\r","") # Fix Wordpress
         response = ast.literal_eval(response)
         
@@ -389,7 +394,11 @@ def getListOfPublicServers():
         else:
             raise IOError
     except:
-        raise IOError(getMessage("failed-to-load-server-list-error"))
+        if constants.DEBUG_MODE == True:
+            traceback.print_exc()
+            raise
+        else:
+            raise IOError(getMessage("failed-to-load-server-list-error"))
 
 class RoomPasswordProvider(object):
     CONTROLLED_ROOM_REGEX = re.compile("^\+(.*):(\w{12})$")