diff --git a/tox.ini b/tox.ini
index c01b469a..0afb1a4c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,7 +41,7 @@ commands=
 [testenv:compatibility]
 deps=pytest
 commands=
-    pytest tests/test_isal.py
+    pytest tests/test_compat.py
 
 [testenv:lint]
 deps=flake8