diff --git a/YogaSMC/YogaVPC/ThinkEvents.h b/YogaSMC/YogaVPC/ThinkEvents.h
index cc7da11e..d8db48e8 100644
--- a/YogaSMC/YogaVPC/ThinkEvents.h
+++ b/YogaSMC/YogaVPC/ThinkEvents.h
@@ -82,6 +82,7 @@ enum tpacpi_hkey_event_t : UInt32 {
     TP_HKEY_EV_THM_CSM_COMPLETED    = 0x6032, /* windows; thermal control set
                            * command completed. Related to
                            * AML DYTC */
+    TP_HKEY_EV_BACKLIGHT_CHANGED     = 0x6050, /* backlight changed */
     TP_HKEY_EV_LID_STATUS_CHANGED    = 0x60D0, /* lid status changed */
     TP_HKEY_EV_THM_TRANSFM_CHANGED   = 0x60F0, /* windows; thermal transformation
                            * changed. Related to AML GMTS */
diff --git a/YogaSMCNC/Configuration.swift b/YogaSMCNC/Configuration.swift
index e077fb38..4226ffda 100644
--- a/YogaSMCNC/Configuration.swift
+++ b/YogaSMCNC/Configuration.swift
@@ -100,5 +100,6 @@ let ThinkEvents : Dictionary<UInt32, Dictionary<UInt32, eventDesc>> = [
                                     1: eventDesc("Keyboard Enabled", .Keyboard)], // 0x1315
     TP_HKEY_EV_THM_TABLE_CHANGED.rawValue : [0: eventDesc("Thermal Table Change", display: false)], // 0x6030
     TP_HKEY_EV_AC_CHANGED.rawValue: [0: eventDesc("AC Status Change", display: false)], // 0x6040
+    TP_HKEY_EV_BACKLIGHT_CHANGED.rawValue : [0: eventDesc("Backlight Changed", display: false)], // 0x6050
     TP_HKEY_EV_KEY_FN_ESC.rawValue : [0: eventDesc("FnLock", .FunctionKey)], // 0x6060
 ]