diff --git a/services/telegraf.nix b/services/telegraf.nix
index 4707a867..cf58b7ff 100644
--- a/services/telegraf.nix
+++ b/services/telegraf.nix
@@ -24,7 +24,7 @@
           token = "$TELEGRAF_TOKEN";
           organization = "default";
           bucket = "telegrafdb";
-          http_headers = "{ 'Authorization' = 'Token test' }";
+          http_headers = { Authorization = 'Token ${TELEGRAF_TOKEN}'; };
         };
       };
       inputs = {