diff --git a/src/Engines/TNTSearchEngine.php b/src/Engines/TNTSearchEngine.php
index 5e26401..e751569 100644
--- a/src/Engines/TNTSearchEngine.php
+++ b/src/Engines/TNTSearchEngine.php
@@ -252,6 +252,10 @@ public function getBuilder($model)
      */
     public function mapIds($results)
     {
+        if (empty($results['ids'])) {
+            return collect();
+        }
+        
         return collect($results['ids'])->values();
     }