diff --git a/sql/moz-fx-data-shared-prod/firefox_desktop_derived/adclick_history_v1/metadata.yaml b/sql/moz-fx-data-shared-prod/firefox_desktop_derived/adclick_history_v1/metadata.yaml
index dfd0792c64..cf84b2105c 100644
--- a/sql/moz-fx-data-shared-prod/firefox_desktop_derived/adclick_history_v1/metadata.yaml
+++ b/sql/moz-fx-data-shared-prod/firefox_desktop_derived/adclick_history_v1/metadata.yaml
@@ -14,4 +14,5 @@ bigquery:
   clustering:
     fields:
     - sample_id
+    - client_id
 references: {}