diff --git a/helm-charts/FATE/templates/core/python-spark.yaml b/helm-charts/FATE/templates/core/python-spark.yaml
index ce597d5f6..81663bb83 100644
--- a/helm-charts/FATE/templates/core/python-spark.yaml
+++ b/helm-charts/FATE/templates/core/python-spark.yaml
@@ -238,6 +238,6 @@ spec:
         storageClassName: {{ .Values.modules.python.storageClass }}
         resources:
           requests:
-            storage: {{ .Values.modules.mysql.size }}
+            storage: {{ .Values.modules.python.size }}
         {{- end }}
 {{- end }}