diff --git a/tox.ini b/tox.ini
index 1d6ccc400..f6c75b325 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ download = True
 usedevelop = True
 setenv =
   PYTHONDONTWRITEBYTECODE = 1
-  VIRTUALENV_PIP = 22.3.1
+  VIRTUALENV pip = 22.3.1
 install_command =
     python -m pip install -U {opts} {packages}