diff --git a/server/routers/contentstack/schemas/blocks/utils/buttonLinkSchema.ts b/server/routers/contentstack/schemas/blocks/utils/buttonLinkSchema.ts
index 10b85bc1c..61f77f3a4 100644
--- a/server/routers/contentstack/schemas/blocks/utils/buttonLinkSchema.ts
+++ b/server/routers/contentstack/schemas/blocks/utils/buttonLinkSchema.ts
@@ -6,7 +6,7 @@ export const buttonSchema = z
   .object({
     cta_text: z.string().optional().default(""),
     open_in_new_tab: z.boolean().default(false),
-    is_contentstack_link: z.boolean().default(false),
+    is_contentstack_link: z.boolean().optional(),
     external_link: z
       .object({
         href: z.string().optional().default(""),
@@ -36,7 +36,10 @@ export const buttonSchema = z
     }),
   })
   .transform((data) => {
-    if (data.linkConnection?.edges?.length && data.is_contentstack_link) {
+    if (
+      data.linkConnection?.edges?.length &&
+      data.is_contentstack_link !== false
+    ) {
       const link = data.linkConnection.edges[0].node
       return {
         href: link.url,