diff --git a/tox.ini b/tox.ini
index c4ecad2..803b879 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,7 @@ commands =
 
 [testenv:debug]
 basepython = python3
-commands = oslo_debug_helper {posargs}
+commands = oslo_debug_helper -t cloudkittyclient/tests {posargs}
 
 [testenv:functional]
 passenv = OS_CLOUD OS_PROJECT_DOMAIN_ID OS_USER_DOMAIN_ID OS_PROJECT_DOMAIN_NAME OS_USER_DOMAIN_NAME OS_PROJECT_NAME OS_IDENTITY_API_VERSION OS_PASSWORD OS_AUTH_TYPE OS_AUTH_URL OS_USERNAME