diff --git a/tasmota/xsns_69_opentherm.ino b/tasmota/xsns_69_opentherm.ino
index ed24d9ca0..095a1909a 100644
--- a/tasmota/xsns_69_opentherm.ino
+++ b/tasmota/xsns_69_opentherm.ino
@@ -235,9 +235,7 @@ void sns_opentherm_stat(bool json)
 
     if (json)
     {
-        ResponseAppend_P(PSTR(",\"OPENTHERM\":{"));
-        ResponseAppend_P(PSTR("\"conn\":\"%s\","), statusStr);
-        ResponseAppend_P(PSTR("\"settings\":%d"), Settings->ot_flags);
+        ResponseAppend_P(PSTR(",\"OPENTHERM\":{\"conn\":\"%s\",\"settings\":%d"), statusStr, Settings->ot_flags);
         sns_opentherm_dump_telemetry();
         ResponseJsonEnd();
 #ifdef USE_WEBSERVER