diff --git a/python-pysubs2.changes b/python-pysubs2.changes
index cab83d0..f3df1ec 100644
--- a/python-pysubs2.changes
+++ b/python-pysubs2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Feb 20 13:51:37 UTC 2025 - Matej Cepl <mcepl@cepl.eu>
+
+- Add python_executable.patch (from gh#tkarabela/pysubs2!104) to
+  use different filenames of Python executable.
+
 -------------------------------------------------------------------
 Thu Feb 20 12:37:39 UTC 2025 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 
diff --git a/python-pysubs2.spec b/python-pysubs2.spec
index 599254a..82b9cf2 100644
--- a/python-pysubs2.spec
+++ b/python-pysubs2.spec
@@ -25,7 +25,11 @@ License:        MIT
 Group:          Development/Languages/Python
 URL:            https://pysubs2.readthedocs.io
 Source0:        https://files.pythonhosted.org/packages/source/p/pysubs2/pysubs2-%{version}.tar.gz
+# PATCH-FIX-UPSTREAM python_executable.patch gh#tkarabela/pysubs2!104 mcepl@suse.com
+# don't hardcode python executable name
+Patch0:         python_executable.patch
 BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
@@ -60,7 +64,7 @@ There is a small CLI tool for batch conversion and retiming.
 %python_uninstall_alternative pysubs2
 
 %check
-# online tests only
+%pytest
 
 %files %{python_files}
 %license LICENSE.txt
diff --git a/python_executable.patch b/python_executable.patch
new file mode 100644
index 0000000..adfbaf4
--- /dev/null
+++ b/python_executable.patch
@@ -0,0 +1,45 @@
+From 42655812b75c21e527dabd6460ea463f34ae23fa Mon Sep 17 00:00:00 2001
+From: Alexandre Detiste <alexandre.detiste@gmail.com>
+Date: Sat, 15 Feb 2025 16:16:40 +0100
+Subject: [PATCH] python is "python3" on Debian (and others ?)
+
+---
+ tests/test_cli.py |    7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+Index: pysubs2-1.8.0/tests/test_cli.py
+===================================================================
+--- pysubs2-1.8.0.orig/tests/test_cli.py	2024-12-24 12:52:36.000000000 +0100
++++ pysubs2-1.8.0/tests/test_cli.py	2025-02-20 14:51:01.920439196 +0100
+@@ -1,3 +1,4 @@
++import sys
+ from typing import Any
+ 
+ import pysubs2
+@@ -49,7 +50,7 @@
+ 
+ 
+ def test_srt_to_microdvd_subprocess_pipe() -> None:
+-    cmd = ["python", "-m", "pysubs2", "--to", "microdvd", "--fps", "1000"]
++    cmd = [sys.executable, "-m", "pysubs2", "--to", "microdvd", "--fps", "1000"]
+     output = subprocess.check_output(cmd, input=TEST_SRT_FILE, text=True)
+     assert output.strip() == TEST_MICRODVD_FILE.strip()
+ 
+@@ -410,7 +411,7 @@
+     with tempfile.TemporaryDirectory() as temp_dir:
+         path = op.join(temp_dir, "test.srt")
+         with open(path, "w+") as in_fp:
+-            cmd = ["python", "-m", "pysubs2"]
++            cmd = [sys.executable, "-m", "pysubs2"]
+             p = subprocess.run(cmd, stdin=in_fp, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
+             assert p.returncode == 1
+             assert not p.stdout.startswith("usage: pysubs2")
+@@ -427,7 +428,7 @@
+         with open(input_path, "wb") as fp:
+             fp.write(input_bytes_win1250)
+ 
+-        cmd = ["python", "-m", "pysubs2", "-o", output_dir, input_path]
++        cmd = [sys.executable, "-m", "pysubs2", "-o", output_dir, input_path]
+         subprocess.check_call(cmd)
+ 
+         with open(output_path, "rb") as fp: