diff --git a/argocd/apps/longhorn/values-longhorn.yaml b/argocd/apps/longhorn/values-longhorn.yaml
index ad93be2..9cc6c22 100644
--- a/argocd/apps/longhorn/values-longhorn.yaml
+++ b/argocd/apps/longhorn/values-longhorn.yaml
@@ -29,7 +29,7 @@ spec:
 
         defaultSettings:
           storageOverProvisioningPercentage: "200"
-          storageMinimalAvailablePercentage: 10
+          storageMinimalAvailablePercentage: "10"
           storageReservedPercentageForDefaultDisk: 10
           defaultReplicaCount: '{"v1":"2","v2":"2"}'
           replicaAutoBalance: "best-effort"