diff --git a/noise/noise.py b/noise/noise.py
index 893cd40..697edc2 100755
--- a/noise/noise.py
+++ b/noise/noise.py
@@ -161,7 +161,7 @@ def recvmsg(plugin, request, last_id=None, **kwargs):
     Optional parameter `last_id` can be supplied to return an older message.
     """
     next_id = int(last_id) + 1 if last_id is not None else len(plugin.messages)
-    if next_id <= len(plugin.messages):
+    if next_id < len(plugin.messages):
         res = plugin.messages[int(last_id)].to_dict()
         res['total_messages'] = len(plugin.messages)
         request.set_result(res)