diff --git a/tests/_data/infiles/environment/via-pipenv/init.py b/tests/_data/infiles/environment/via-pipenv/init.py
index 56f388df..8abccc41 100644
--- a/tests/_data/infiles/environment/via-pipenv/init.py
+++ b/tests/_data/infiles/environment/via-pipenv/init.py
@@ -36,6 +36,7 @@
 pipenv_env['PIPENV_IGNORE_VIRTUALENVS'] = '1'
 pipenv_env['PIPENV_NO_INHERIT'] = '1'
 pipenv_env['PIPENV_NOSPIN'] = '1'
+pipenv_env['PIPENV_PYTHON'] = executable
 
 
 def pipenv_run(*args: str) -> CompletedProcess: