diff --git a/buildPy2app.py b/buildPy2app.py
index 462036d..4df9502 100755
--- a/buildPy2app.py
+++ b/buildPy2app.py
@@ -17,7 +17,7 @@ DATA_FILES = [
 OPTIONS = {
     'iconfile': 'syncplay/resources/icon.icns',
     'extra_scripts': 'syncplayServer.py',
-    'includes': {'PySide2.QtCore', 'PySide2.QtUiTools', 'PySide2.QtGui', 'PySide2.QtWidgets', 'certifi', 'cffi', 'pem'},
+    'includes': {'PySide2.QtCore', 'PySide2.QtUiTools', 'PySide2.QtGui', 'PySide2.QtWidgets', 'certifi', 'cffi', 'pem', 'charset_normalizer'},
     'excludes': {'PySide', 'PySide.QtCore', 'PySide.QtUiTools', 'PySide.QtGui', 'tkinter'},
     'qt_plugins': [
         'platforms/libqcocoa.dylib',