diff --git a/pkgs/development/python-modules/aiomqtt/default.nix b/pkgs/development/python-modules/aiomqtt/default.nix
index 79fd82561745..d0cab13d5ffc 100644
--- a/pkgs/development/python-modules/aiomqtt/default.nix
+++ b/pkgs/development/python-modules/aiomqtt/default.nix
@@ -48,7 +48,7 @@ buildPythonPackage rec {
   ];
 
   meta = with lib; {
-    broken = lib.versionOlder "paho-mqtt" "2";
+    broken = lib.versionOlder paho-mqtt.version "2";
     description = "Idiomatic asyncio MQTT client, wrapped around paho-mqtt";
     homepage = "https://github.com/sbtinstruments/aiomqtt";
     changelog = "https://github.com/sbtinstruments/aiomqtt/blob/${src.tag}/CHANGELOG.md";