diff --git a/app/Node/UseCases/BulkCreateNodes.php b/app/Node/UseCases/BulkCreateNodes.php
index 966e704..f2c39ad 100644
--- a/app/Node/UseCases/BulkCreateNodes.php
+++ b/app/Node/UseCases/BulkCreateNodes.php
@@ -39,6 +39,10 @@ class BulkCreateNodes
             throw new BadRequestException('count is required');
         }
 
+        if ($request->count < 1) {
+            throw new BadRequestException('count must be at least 1');
+        }
+
         $text = $this->textRepo->find($request->textId);
         if ($text === null) {
             throw new DomainException("Text with id: {$request->textId} doesnt exist");