diff --git a/docs/changes.rst b/docs/changes.rst
index 6ad7f8883c13..0d2315ce5d31 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -18,6 +18,7 @@ Weblate 5.15.2
 * Automatically translated flag with bulk approvals.
 * GitHub forks no longer trigger actions.
 * Tighter validation of user provided websites to avoid confusing homoglyphs.
+* Glossary support in :ref:`mt-google-translate-api-v3`.
 
 .. rubric:: Compatibility
 
diff --git a/weblate/machinery/googlev3.py b/weblate/machinery/googlev3.py
index 76df93101f0e..ae7655f1b480 100644
--- a/weblate/machinery/googlev3.py
+++ b/weblate/machinery/googlev3.py
@@ -114,10 +114,12 @@ def download_translations(
         }
         glossary_path: str | None = None
         if self.settings.get("bucket_name"):
-            glossary_path = self.get_glossary_id(source_language, target_language, unit)
-            request["glossary_config"] = TranslateTextGlossaryConfig(
-                glossary=glossary_path
-            )
+            glossary_id = self.get_glossary_id(source_language, target_language, unit)
+            if glossary_id is not None:
+                glossary_path = self.get_glossary_resource_path(glossary_id)
+                request["glossary_config"] = TranslateTextGlossaryConfig(
+                    glossary=glossary_path
+                )
 
         response = self.client.translate_text(request)