diff --git a/server.py b/server.py
index 11accb4..9a2d5e5 100644
--- a/server.py
+++ b/server.py
@@ -258,4 +258,8 @@ def relay():
             title = "gemini://" + url
     except:
         code += "<pre>" + traceback.format_exc() + "</pre>"
-    return f'<!DOCTYPE html>\n<html><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><link rel="stylesheet" href="/style.css"><title>{title}</title></head><body>{code}</body></html>'
\ No newline at end of file
+    return f'<!DOCTYPE html>\n<html><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><link rel="stylesheet" href="/style.css"><title>{title}</title></head><body>{code}</body></html>'
+if __name__ == '__main__': 
+    # run() method of Flask class runs the application 
+    # on the local development server. 
+    app.run(host='127.0.0.1',port=2009)
\ No newline at end of file
