diff --git a/flatcam b/flatcam
index 3c5ef0bf..fb3daa8c 100755
--- a/flatcam
+++ b/flatcam
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 ############################################################
 # FlatCAM: 2D Post-processing for Manufacturing            #
 # http://flatcam.org                                       #
diff --git a/termwidget.py b/termwidget.py
index 41433bed..66ea3f03 100644
--- a/termwidget.py
+++ b/termwidget.py
@@ -3,7 +3,7 @@ Terminal emulator widget.
 Shows intput and output text. Allows to enter commands. Supports history.
 """
 
-import cgi
+import html
 from PyQt4.QtCore import pyqtSignal, Qt
 from PyQt4.QtGui import QColor, QKeySequence, QLineEdit, QPalette, \
                         QSizePolicy, QTextCursor, QTextEdit, \
@@ -152,7 +152,7 @@ class TermWidget(QWidget):
         """
         assert style in ('in', 'out', 'err')
 
-        text = cgi.escape(text)
+        text = html.escape(text)
         text = text.replace('\n', '<br/>')
 
         if style == 'in':