diff --git a/tasmota/tasmota_xsns_sensor/xsns_90_hrg15.ino b/tasmota/tasmota_xsns_sensor/xsns_90_hrg15.ino
index 24012d992..c83d92238 100644
--- a/tasmota/tasmota_xsns_sensor/xsns_90_hrg15.ino
+++ b/tasmota/tasmota_xsns_sensor/xsns_90_hrg15.ino
@@ -242,7 +242,9 @@ bool Rg15Command(void) {
       Rg15.init_step = 5;                    // Perform RG-15 init
     }
 
-    ResponseCmndDone();
+    ResponseCmndIdxChar(XdrvMailbox.data);
+  } else {
+    ResponseCmndIdxError();
   }
 
   return serviced;