diff --git a/llama_index/vector_stores/chroma.py b/llama_index/vector_stores/chroma.py
index 49f08dc99c76b..52fc04552c549 100644
--- a/llama_index/vector_stores/chroma.py
+++ b/llama_index/vector_stores/chroma.py
@@ -222,7 +222,7 @@ def query(self, query: VectorStoreQuery, **kwargs: Any) -> VectorStoreQueryResul
 
             nodes.append(node)
 
-            similarity_score = 1.0 - math.exp(-distance)
+            similarity_score = math.exp(-distance)
             similarities.append(similarity_score)
 
             logger.debug(