diff --git a/packages/extra/seaweedfs/templates/seaweedfs.yaml b/packages/extra/seaweedfs/templates/seaweedfs.yaml
index b29a0e402..31e52fa1a 100644
--- a/packages/extra/seaweedfs/templates/seaweedfs.yaml
+++ b/packages/extra/seaweedfs/templates/seaweedfs.yaml
@@ -105,7 +105,7 @@ spec:
             {{- if $zone.size }}
             size: "{{ $zone.size }}"
             {{- else }}
-            size: "{{ $.Values.size }}"
+            size: "{{ $.Values.volume.size }}"
             {{- end }}
             {{- if $zone.storageClass }}
             storageClass: {{ $zone.storageClass }}