diff --git a/tox.ini b/tox.ini
index 31b8c89..3176583 100644
--- a/tox.ini
+++ b/tox.ini
@@ -97,7 +97,7 @@ skip_install=True
 deps=-rrequirements-flake8.txt
 commands=
     pip install flake8-noqa
-    flake8 --color=never --exit-zero conftest.py tests src
+    flake8 --color=never --exit-zero ./conftest.py tests src
 
 [testenv:interrogate]
 skip_install=True