diff --git a/homewizard_energy/const.py b/homewizard_energy/const.py
index 347ad1c..5a5898a 100644
--- a/homewizard_energy/const.py
+++ b/homewizard_energy/const.py
@@ -4,5 +4,5 @@
 
 SUPPORTS_STATE = ["HWE-SKT"]
 SUPPORTS_IDENTIFY = ["HWE-SKT", "HWE-P1"]
-SUPPORTS_SYSTEM = ["HWE-SKT", "HWE-P1", "SDM230-WIFI", "SDM630-WIFI"]
+SUPPORTS_SYSTEM = ["HWE-SKT", "HWE-P1", "SDM230-wifi", "SDM630-wifi"]
 SUPPORTS_DECRYPTION = ["HWE-P1"]