diff --git a/tox.ini b/tox.ini
index 8f1f2009868..16cef428d06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,7 @@ commands =
 [testenv:migrations]
 description = check for missing migrations
 commands =
-    {base_python} manage.py makemigrations --check --dry-run
+    {basepython} manage.py makemigrations --check --dry-run
 
 [testenv:lint]
 description = run linter (prospector) to ensure the source code corresponds to our coding standards