--- lib/init/grass.py.orig	2020-09-25 14:18:25.000000000 +0200
+++ lib/init/grass.py	2020-09-25 14:20:34.000000000 +0200
@@ -95,7 +95,7 @@
 WINDOWS = sys.platform == 'win32'
 CYGWIN = "cygwin" in sys.platform
 MACOSX = "darwin" in sys.platform
-
+os.environ['GRASS_PYTHON'] = "/usr/bin/env python3"
 
 def decode(bytes_, encoding=ENCODING):
     """Decode bytes with default locale and return (unicode) string