diff --git a/src/model/example_clusters.py b/src/model/example_clusters.py
index c0f0f26..bc95f4c 100644
--- a/src/model/example_clusters.py
+++ b/src/model/example_clusters.py
@@ -11,7 +11,7 @@ class ExampleClusters:
         return key
     
     def _first_empty_cluster(self):
-        idx = 0
+        idx = 1
         while True:
             if idx not in self.idxs:
                 self._register_index(idx)