diff --git a/api/src/stampy_chat/env.py b/api/src/stampy_chat/env.py
index 1be8163..20cdffc 100644
--- a/api/src/stampy_chat/env.py
+++ b/api/src/stampy_chat/env.py
@@ -20,7 +20,7 @@
 
 ### Models ###
 EMBEDDING_MODEL = os.environ.get("EMBEDDING_MODEL", "text-embedding-ada-002")
-SUMMARY_MODEL = os.environ.get("COMPLETIONS_MODEL", "claude-3-sonnet-20240229")
+SUMMARY_MODEL = os.environ.get("SUMMARY_MODEL", "claude-3-sonnet-20240229")
 COMPLETIONS_MODEL = os.environ.get("COMPLETIONS_MODEL", "claude-3-opus-20240229")
 
 ### Pinecone ###