diff --git a/_extensions/odoo/__init__.py b/_extensions/odoo/__init__.py
index bb0cac558..9744f826b 100644
--- a/_extensions/odoo/__init__.py
+++ b/_extensions/odoo/__init__.py
@@ -8,10 +8,13 @@ import sphinx.environment
 import sphinx.builders.html
 from docutils import nodes
 def setup(app):
-    if getattr(app.config, 'html_translator_class', None):
-        app.warn("Overriding the explicitly set  html_translator_class setting",
-                 location="odoo extension")
-    app.config.html_translator_class = 'odoo.translator.BootstrapTranslator'
+    if hasattr(app, 'set_translator'):
+        app.set_translator('html', translator.BootstrapTranslator)
+    else:
+        if getattr(app.config, 'html_translator_class', None):
+            app.warn("Overriding the explicitly set  html_translator_class setting",
+                     location="odoo extension")
+        app.config.html_translator_class = 'odoo.translator.BootstrapTranslator'
 
     switcher.setup(app)
     app.add_config_value('odoo_cover_default', None, 'env')