diff --git a/custom_components/unifi_voucher/const.py b/custom_components/unifi_voucher/const.py
index 870351b..77a68e2 100644
--- a/custom_components/unifi_voucher/const.py
+++ b/custom_components/unifi_voucher/const.py
@@ -24,9 +24,9 @@
 CONF_VOUCHER_NUMBER = "voucher_number"
 CONF_VOUCHER_QUOTA = "voucher_quota"
 CONF_VOUCHER_EXPIRE = "voucher_expire"
-CONF_VOUCHER_BYTE_QUOTA = "byte_quota"
-CONF_VOUCHER_UP_BANDWIDTH = "up_bandwidth"
-CONF_VOUCHER_DOWN_BANDWIDTH = "down_bandwidth"
+CONF_VOUCHER_BYTE_QUOTA = "voucher_byte_quota"
+CONF_VOUCHER_UP_BANDWIDTH = "voucher_up_bandwidth"
+CONF_VOUCHER_DOWN_BANDWIDTH = "voucher_down_bandwidth"
 
 ATTR_EXTRA_STATE_ATTRIBUTES = "extra_state_attributes"
 ATTR_LAST_PULL = "last_pull"
diff --git a/custom_components/unifi_voucher/sensor.py b/custom_components/unifi_voucher/sensor.py
index 968ea43..5c90246 100644
--- a/custom_components/unifi_voucher/sensor.py
+++ b/custom_components/unifi_voucher/sensor.py
@@ -15,6 +15,7 @@
 
 from .const import (
     DOMAIN,
+    CONF_WLAN_NAME,
     ATTR_VOUCHER,
 )
 from .coordinator import UnifiVoucherCoordinator
@@ -78,7 +79,7 @@ def _update_extra_state_attributes(self) -> None:
             return None
 
         _x = {
-            "wlan_name": self.coordinator.get_wlan_name(),
+            CONF_WLAN_NAME: self.coordinator.get_wlan_name(),
             "quota": voucher.get("quota"),
             "used": voucher.get("used"),
             "duration": str(voucher.get("duration")), # TODO: Localized string