diff --git a/addons/web_editor/models/ir_qweb_fields.py b/addons/web_editor/models/ir_qweb_fields.py
index f99d924d755..e5262d966ac 100644
--- a/addons/web_editor/models/ir_qweb_fields.py
+++ b/addons/web_editor/models/ir_qweb_fields.py
@@ -134,6 +134,9 @@ class IrQWeb(models.AbstractModel):
         directives.insert(index, 'install')
         return directives
 
+    def _get_template_cache_keys(self):
+        return super()._get_template_cache_keys() + ['snippet_lang']
+
 
 #------------------------------------------------------
 # QWeb fields