diff --git a/base/frontend/sourcegraph-frontend.Deployment.yaml b/base/frontend/sourcegraph-frontend.Deployment.yaml
index ce4905dc957e..9a5bd542bb81 100644
--- a/base/frontend/sourcegraph-frontend.Deployment.yaml
+++ b/base/frontend/sourcegraph-frontend.Deployment.yaml
@@ -42,6 +42,8 @@ spec:
           value: disable
         - name: PGUSER
           value: sg
+        - name: CODEINSIGHTS_PGDATASOURCE
+          value: postgres://postgres:password@codeinsights-db:5432/postgres
         - name: CODEINTEL_PGDATABASE
           value: sg
         - name: CODEINTEL_PGHOST