diff --git a/agency_swarm/cli.py b/agency_swarm/cli.py
index b48c09f1..4905ad37 100644
--- a/agency_swarm/cli.py
+++ b/agency_swarm/cli.py
@@ -30,6 +30,7 @@ def main():
         if not os.getenv('OPENAI_API_KEY') and not args.openai_key:
             print("OpenAI API key not set. "
                   "Please set it with --openai_key argument or by setting OPENAI_API_KEY environment variable.")
+            return
 
         if args.openai_key:
             from agency_swarm import set_openai_key