diff --git a/src/main.cpp b/src/main.cpp
index 4741e8d..f2dc88b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -35,7 +35,7 @@ IPAddress dns;
 IPAddress secondaryDNS(8, 8, 8, 8);
 
 
-//const char* mqtt_fprint = "a3:44:1d:aa:6e:e5:c7:55:02:20:98:ea:9b:df:1a:42:a2:f3:e3:0d";
+const char* mqtt_fprint = "a3:44:1d:aa:6e:e5:c7:55:02:20:98:ea:9b:df:1a:42:a2:f3:e3:0d";
 /* const char* mqtt_user =   "mqtt";
 const char* mqtt_pass =   "fische"; */