diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6c81c29..0a46538a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ CHANGELOG for FlatCAM beta
 
 =================================================
 
+9.08.2020
+
+- small fix so the cx_freeze 6.2 module will work in building a frozen version of FlatCAM
+
 7.08.2020
 
 - all Geometry objects resulted from Isolation Tool are now of type multi-geo
diff --git a/make_freezed.py b/make_freezed.py
index 0ec9742a..f2686fde 100644
--- a/make_freezed.py
+++ b/make_freezed.py
@@ -78,7 +78,7 @@ if sys.platform == "win32":
 if platform.architecture()[0] == '64bit':
     buildOptions = dict(
         include_files=include_files,
-        excludes=['scipy', 'pytz'],
+        excludes=['scipy', 'pytz', "matplotlib.tests", "numpy.random._examples"],
         # packages=['OpenGL','numpy','vispy','ortools','google']
         # packages=['numpy','google', 'rasterio'] # works for Python 3.7
         packages=['opengl', 'numpy', 'google', 'rasterio'],   # works for Python 3.6.5 and Python 3.7.1