diff --git a/tox.ini b/tox.ini
index 601b9697..e173f7e8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@ commands=
     ./check-needles.py
     py.test unittests/
     py.test --cov-report term-missing --cov-report xml --cov fifloader unittests/
-    diff-cover coverage.xml --fail-under=90
-    diff-quality --violations=pylint --fail-under=90
+    diff-cover coverage.xml --fail-under=90 --compare-branch=origin/master
+    diff-quality --violations=pylint --fail-under=90 --compare-branch=origin/master
 setenv =
     PYTHONPATH = {toxinidir}