diff --git a/tox.ini b/tox.ini
index 29f929fabd..defc25c854 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,6 +50,13 @@ deps =
   -r{toxinidir}/doc/requirements.txt
 commands =
   rm -rf doc/build/html
+  {[testenv:docs-iterative]commands}
+
+[testenv:docs-iterative]
+envdir = {toxworkdir}/docs
+skip_install = {[testenv:docs]skip_install}
+deps = {[testenv:docs]deps}
+commands =
   sphinx-build -n -W --keep-going -b html doc/source doc/build/html
   whereto doc/source/_extra/.htaccess doc/test/redirect-tests.txt