diff --git a/packages/nextjs/src/config/types.ts b/packages/nextjs/src/config/types.ts
index bf9531a9ddd6..3ac3698789b0 100644
--- a/packages/nextjs/src/config/types.ts
+++ b/packages/nextjs/src/config/types.ts
@@ -153,7 +153,7 @@ export type SentryBuildOptions = {
     /**
      * Toggle whether generated source maps within your Next.js build folder should be automatically deleted after being uploaded to Sentry.
      *
-     * Defaults to `false`.
+     * Defaults to `true`.
      */
     deleteSourcemapsAfterUpload?: boolean;
   };