diff --git a/tox.ini b/tox.ini
index 2134d8e7..5ec54abe 100644
--- a/tox.ini
+++ b/tox.ini
@@ -37,7 +37,7 @@ norecursedirs  = .tox .venv specs
 basepython = python2.7
 setenv = OS_PATH_TEST = ./freezer_api/tests/unit
 commands =
-    find . -type f -name "*.pyc" -delete
+    find . -type f -name "*.py[c|o]" -delete
     rm -rf .testrepository
     python setup.py test --coverage --coverage-package-name freezer_api --testr-args="{posargs}"
     coverage report -m
@@ -49,7 +49,7 @@ commands =
 basepython = python3.4
 setenv = OS_PATH_TEST = ./freezer_api/tests/unit
 commands =
-    find . -type f -name "*.pyc" -delete
+    find . -type f -name "*.py[c|o]" -delete
     rm -rf .testrepository
     python setup.py test --coverage --coverage-package-name freezer_api --testr-args="{posargs}"
     coverage report -m
@@ -61,7 +61,7 @@ commands = {posargs}
 
 [testenv:cover]
 commands =
-    find . -type f -name "*.pyc" -delete
+    find . -type f -name "*.py[c|o]" -delete
     python setup.py test --coverage --coverage-package-name freezer_api --testr-args="{posargs}"
     coverage report -m
     rm -f .coverage