diff --git a/helm/core/values.yaml b/helm/core/values.yaml
index 9fa71269c..9ce784e9a 100644
--- a/helm/core/values.yaml
+++ b/helm/core/values.yaml
@@ -1,6 +1,6 @@
 revision: ""
 global:
-  xdsMaxRecvMsgSize: 104857600
+  xdsMaxRecvMsgSize: "104857600"
   defaultUpstreamConcurrencyThreshold: 10000
   enableSRDS: true
   onDemandRDS: false