diff --git a/configuration.nix b/configuration.nix
index 4827738..0a61ab6 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -24,7 +24,8 @@
 
   systemd.services.mixer-mqtt = {
     serviceConfig = {
-      ExecStart = "${pkgs.python3.withPackages (p: with p; [ paho-mqtt mido ])}/bin/python3 -u /root/mixer-rpc/mqtt_client.py 172.23.42.20 172.23.42.25";
+      ExecStart = "${pkgs.python3.withPackages (p: with p; [ paho-mqtt mido ])}/bin/python3 /root/mixer-rpc/mqtt_client.py 172.23.42.20 172.23.42.25";
+      Environment = "PYTHONUNBUFFERED=1";
     };
   };