diff --git a/radicale/__init__.py b/radicale/__init__.py
index 2dd1975..98d0cb9 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -161,6 +161,18 @@ class Application(object):
         environ["PATH_INFO"] = self.sanitize_uri(environ["PATH_INFO"])
         log.LOGGER.debug("Sanitized path: %s", environ["PATH_INFO"])
 
+        # Display an "It Works" message if the root URL is requested with
+        # the GET method
+        if environ["REQUEST_METHOD"].lower() == "get" \
+        and environ["PATH_INFO"] == "/":
+            headers = {"Content-type": "text/html"}
+            start_response("200 OK", list(headers.items()))
+            return ["<html>\n",
+                    "<head><title>Radicale Works!</title></head>\n",
+                    "<body><h1>Radicale Works!</h1>",
+                    '<a href="http://radicale.org/">radicale.org</a></body>',
+                    "\n</html>"]
+
         # Get content
         content_length = int(environ.get("CONTENT_LENGTH") or 0)
         if content_length:
