diff --git a/src/pybind/mgr/dashboard/tox.ini b/src/pybind/mgr/dashboard/tox.ini
index 372eb13395b..6da0364a611 100644
--- a/src/pybind/mgr/dashboard/tox.ini
+++ b/src/pybind/mgr/dashboard/tox.ini
@@ -14,11 +14,10 @@ setenv=
     py27: PYTHONPATH = {toxinidir}/../../../../build/lib/cython_modules/lib.2
     py3:  PYTHONPATH = {toxinidir}/../../../../build/lib/cython_modules/lib.3
     cov:  UNITTEST = true
-    cov:  COVERAGE_FILE = .coverage.{envname}
 commands=
     cov: coverage erase
     cov: {envbindir}/py.test --cov=. --cov-report= --junitxml=junit.{envname}.xml --doctest-modules controllers/rbd.py services/ tests/ tools.py
-    cov: coverage combine {toxinidir}/{env:COVERAGE_FILE}
+    cov: coverage combine {toxinidir}/.coverage
     cov: coverage report
     cov: coverage xml
     lint: pylint --rcfile=.pylintrc --jobs=5 . module.py tools.py controllers tests services