diff --git a/app/services/spot_inspector.ts b/app/services/spot_inspector.ts
index f9f7f9b..5c607c8 100644
--- a/app/services/spot_inspector.ts
+++ b/app/services/spot_inspector.ts
@@ -283,7 +283,8 @@ export class SpotInspector {
         await trx.from('releases').whereIn('id', [...perRelease.keys()]).update({ passworded: true })
       }
       const top = [...perRelease.entries()].sort((a, b) => b[1] - a[1])[0]
-      await trx.from('spots').where('message_id', spotId).update({ matched: fileRelease.size, release_id: top ? top[0] : null })
+      // The NZB is only kept for a release of the spot's own: the header pass's releases have their chunks.
+      await trx.from('spots').where('message_id', spotId).update({ matched: fileRelease.size, release_id: top ? top[0] : null, nzb: null })
     })
     return perRelease.size
   }
diff --git a/database/migrations/1770000003000_spots_nzb_only_unmatched.ts b/database/migrations/1770000003000_spots_nzb_only_unmatched.ts
new file mode 100644
index 0000000..a512770
--- /dev/null
+++ b/database/migrations/1770000003000_spots_nzb_only_unmatched.ts
@@ -0,0 +1,10 @@
+import { BaseSchema } from '@adonisjs/lucid/schema'
+
+/** A matched spot's NZB isn't kept (its releases have their chunks): only a spot of its own needs one (2.7 GB at 9k spots). */
+export default class extends BaseSchema {
+  async up() {
+    this.schema.raw(`UPDATE spots SET nzb = NULL WHERE matched > 0 AND nzb IS NOT NULL`)
+  }
+
+  async down() {}
+}