diff --git a/k8s/infra/forgejo-runner/values.yaml b/k8s/infra/forgejo-runner/values.yaml
index 4ef52d0..f4e90f0 100644
--- a/k8s/infra/forgejo-runner/values.yaml
+++ b/k8s/infra/forgejo-runner/values.yaml
@@ -49,10 +49,10 @@ tolerations:
     operator: Exists
     effect: NoSchedule
 
-# Pin to az-a (talos-cp-1) — sole Longhorn node; RWO PVCs (reg/dind cache) only
-# attach there.
+# Pin to az-b (talos-cp-2) — more Longhorn storage than az-a (worker-1 over-provisioned).
+# RWO PVCs will recreate on talos-cp-2 when nodeSelector changes.
 nodeSelector:
-  topology.kubernetes.io/zone: az-a
+  topology.kubernetes.io/zone: az-b
 
 # GC CronJob — prunes Docker images/volumes/build-cache and actcache across
 # ALL forgejo-runner pods. Only enable in default values (golang instance);