diff --git a/autogpt/chat.py b/autogpt/chat.py
index b0886967..1f6bca96 100644
--- a/autogpt/chat.py
+++ b/autogpt/chat.py
@@ -96,7 +96,7 @@ def chat_with_ai(
 
             while current_tokens_used > 2500:
                 # remove memories until we are under 2500 tokens
-                relevant_memory = relevant_memory[1:]
+                relevant_memory = relevant_memory[:-1]
                 (
                     next_message_to_add_index,
                     current_tokens_used,