diff --git a/main.py b/main.py
index 5fe515f..6ff814c 100644
--- a/main.py
+++ b/main.py
@@ -12,6 +12,7 @@ DISCORD_TOKEN = os.getenv("DISCORD_TOKEN", "placeholder")
 OPENAI_API_ENDPOINT = os.getenv("OPENAI_API_ENDPOINT")
 IMAGE_GEN_ENDPOINT = os.getenv("IMAGE_GEN_ENDPOINT")
 IMAGE_EDIT_ENDPOINT = os.getenv("IMAGE_EDIT_ENDPOINT")
+MAX_COMPLETION_TOKENS = int(os.getenv("MAX_COMPLETION_TOKENS", "1000"))
 
 if not OPENAI_API_ENDPOINT:
     raise Exception("OPENAI_API_ENDPOINT required.")
@@ -148,6 +149,7 @@ async def on_message(message):
                     },
                     {"role": "user", "content": user_message},
                 ],
+                "max_completion_tokens": MAX_COMPLETION_TOKENS,
             }
 
             response_prefix = f"**{bot_name} response**"