diff --git a/kubernetes/app/gitea/release-actions.yaml b/kubernetes/app/gitea/release-actions.yaml
index e73c3de..6ab6255 100644
--- a/kubernetes/app/gitea/release-actions.yaml
+++ b/kubernetes/app/gitea/release-actions.yaml
@@ -23,13 +23,23 @@ spec:
       retries: 3
   dependsOn:
     - name: gitea
+  # chart 0.1.0 has a broken `global.storageClass` helper (extra newline breaks YAML),
+  # so we set storageClassName via a kustomize patch instead.
+  postRenderers:
+    - kustomize:
+        patches:
+          - target:
+              kind: StatefulSet
+              name: gitea-actions-act-runner
+            patch: |
+              - op: add
+                path: /spec/volumeClaimTemplates/0/spec/storageClassName
+                value: nfs-synology-ssd
   values:
     enabled: true
     giteaRootURL: http://gitea-http.gitea.svc.cluster.local:3000
     existingSecret: gitea-runner-token
     existingSecretKey: token
-    global:
-      storageClass: nfs-synology-ssd
     statefulset:
       replicas: 1
       timezone: Europe/Kyiv