diff --git a/.gitignore b/.gitignore
index afa5c8e9..c0af9fd7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@
 # Build directories
 target/
 publish-docs/
+generated/
 
 # Editors
 *~
diff --git a/tox.ini b/tox.ini
index 8961dcd0..a7d1ee7b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,3 +25,9 @@ commands = openstack-doc-test --check-deletions {posargs}
 
 [testenv:checkbuild]
 commands = openstack-doc-test --check-build {posargs}
+
+[testenv:buildlang]
+# Run as "tox -e buildlang -- $LANG"
+commands =
+   generatedocbook -l {posargs} -b openstack-ops
+   openstack-doc-test --check-build -l {posargs}