diff --git a/deployments/dev/config/common.yaml b/deployments/dev/config/common.yaml
index 63e2cd3d0..d66d7218d 100644
--- a/deployments/dev/config/common.yaml
+++ b/deployments/dev/config/common.yaml
@@ -69,11 +69,11 @@ jupyterhub:
         default: true
       - display_name: "Dashboard image"
         description: "A newer repo2docker-based image with a primary focus of building dashboards."
-      extraEnv:
-        GH_SCOPED_CREDS_CLIENT_ID: "Iv23liFjgKFgkSBWph4C"
-        GH_SCOPED_CREDS_APP_URL: "https://github.com/apps/test-gh-scoped-creds"
         kubespawner_override:
           image: us-central1-docker.pkg.dev/ucb-datahub-2018/user-images/dev-secondary:36280727a
+          extra_env:
+            GH_SCOPED_CREDS_CLIENT_ID: "Iv23liFjgKFgkSBWph4C"
+            GH_SCOPED_CREDS_APP_URL: "https://github.com/apps/test-gh-scoped-creds"
       - display_name: "1524699: DataHub Infrastructure"
         slug: "1524699"
         description: "Regular image with per-course subpath."