diff --git a/tasmota/xdrv_23_zigbee_A_impl.ino b/tasmota/xdrv_23_zigbee_A_impl.ino
index 34d4a770c..1b3aad1c7 100644
--- a/tasmota/xdrv_23_zigbee_A_impl.ino
+++ b/tasmota/xdrv_23_zigbee_A_impl.ino
@@ -664,7 +664,7 @@ void ZbSendRead(JsonParserToken val_attr, ZigbeeZCLSendMessage & packet) {
         }
       }
       if (!found) {
-        AddLog_P(LOG_LEVEL_INFO, PSTR("ZIG: Unknown attribute name (ignored): %s"), key);
+        AddLog_P(LOG_LEVEL_INFO, PSTR("ZIG: Unknown attribute name (ignored): %s"), key.getStr());
       }
     }