diff --git a/tox.ini b/tox.ini
index b06dd0875..52283151b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,7 +5,7 @@ skip_missing_interpreters = True
 envlist = py310,py39,py38,py37,flake8,black,twine-check,mypy,isort,cz,pylint
 
 [testenv]
-passenv = GITLAB_IMAGE GITLAB_TAG PY_COLORS NO_COLOR FORCE_COLOR
+passenv = GITLAB_IMAGE GITLAB_TAG PY_COLORS NO_COLOR FORCE_COLOR DOCKER_HOST
 setenv = VIRTUAL_ENV={envdir}
 whitelist_externals = true
 usedevelop = True