diff --git a/tests/test_cmd.py b/tests/test_cmd.py
index cbb1b430..26dc7a31 100644
--- a/tests/test_cmd.py
+++ b/tests/test_cmd.py
@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import subprocess as sp
+from sys import executable as python
 from textwrap import dedent
 
 
@@ -21,8 +22,8 @@ def test_c_args():
 
 
 def test_reproducible_gensym():
-    out, err = once = cmd(["python", "-m", "hissp", "-c", '(print `$#G `($#G $#G))'])
-    again = cmd(["python", "-m", "hissp", "-c", '(print `$#G `($#G $#G))'])
+    out, err = once = cmd([python, "-m", "hissp", "-c", "(print `$#G `($#G $#G))"])
+    again = cmd([python, "-m", "hissp", "-c", "(print `$#G `($#G $#G))"])
     assert once == again
     assert err == ""
     assert "_Qz" in out
@@ -30,8 +31,8 @@ def test_reproducible_gensym():
 
 def test_unique_gensyms():
     err = [None] * 2
-    once, err[0] = cmd(["python", "-m", "hissp", "-c", '(print `$#G `($#G $#G))'])
-    again, err[1] = cmd(["python", "-m", "hissp", "-c", '0 (print `$#G `($#G $#G))'])
+    once, err[0] = cmd([python, "-m", "hissp", "-c", "(print `$#G `($#G $#G))"])
+    again, err[1] = cmd([python, "-m", "hissp", "-c", "0 (print `$#G `($#G $#G))"])
     assert err == ["", ""]
     assert once != again
     assert "_Qz" in once