diff --git a/crawl4ai/install.py b/crawl4ai/install.py
index 05179a71..71e97eee 100644
--- a/crawl4ai/install.py
+++ b/crawl4ai/install.py
@@ -139,4 +139,5 @@ def doctor():
     """Entry point for the doctor command"""
     import asyncio
 
-    return asyncio.run(run_doctor())
+    asyncio.run(run_doctor())
+    sys.exit(0)