diff --git a/gramps/cli/test/cli_test.py b/gramps/cli/test/cli_test.py
index 4ceb47be9..252f0eb61 100644
--- a/gramps/cli/test/cli_test.py
+++ b/gramps/cli/test/cli_test.py
@@ -20,6 +20,7 @@
 
 """ CLI tests for gramps """
 
+import sys
 import os
 import unittest
 import re
@@ -72,10 +73,11 @@ class Test(unittest.TestCase):
     # This tests the fix for bug #1331-1334
     # read trivial gedcom input, write gedcom output
     def test2_exec_CLI(self):
+        pyexec = sys.executable
         ifile = min1r
         ofile = out_ged
         gcmd = "Gramps.py -i %s -e %s" % (ifile, ofile)
-        process = subprocess.Popen("python3 %s" % gcmd,
+        process = subprocess.Popen("%s %s" % (pyexec, gcmd),
                                    stdin=subprocess.PIPE,
                                    stdout=subprocess.PIPE,
                                    stderr=subprocess.PIPE, shell=True)
@@ -104,10 +106,11 @@ class Test(unittest.TestCase):
                 f.write("garbage")
         
         # ~same as test 2
+        pyexec = sys.executable
         ifile = min1r
         ofile = out_ged
         gcmd = "Gramps.py -i %s -e %s" % (ifile, ofile)
-        process = subprocess.Popen("python3 %s" % gcmd,
+        process = subprocess.Popen("%s %s" % (pyexec, gcmd),
                                    stdin=subprocess.PIPE,
                                    stdout=subprocess.PIPE,
                                    stderr=subprocess.PIPE, shell=True)