diff --git a/packages/better-auth/src/plugins/anonymous/schema.ts b/packages/better-auth/src/plugins/anonymous/schema.ts
index 17877ef9ab..ee3e8251cc 100644
--- a/packages/better-auth/src/plugins/anonymous/schema.ts
+++ b/packages/better-auth/src/plugins/anonymous/schema.ts
@@ -7,6 +7,7 @@ export const schema = {
 				type: "boolean",
 				required: false,
 				input: false,
+				defaultValue: false,
 			},
 		},
 	},