diff --git a/tasmota/CHANGELOG.md b/tasmota/CHANGELOG.md
index db1e951e9..e260285e8 100644
--- a/tasmota/CHANGELOG.md
+++ b/tasmota/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 - Add support for gzipped binaries
 - Update IRremoteESP8266 lib updated to v2.7.2
+- Fix ``WakeUp <x>`` ignores provided value (#7473)
 
 ### 8.1.0.2 20191230
 
diff --git a/tasmota/xdrv_04_light.ino b/tasmota/xdrv_04_light.ino
index 5cbcecdfa..9526f8c82 100644
--- a/tasmota/xdrv_04_light.ino
+++ b/tasmota/xdrv_04_light.ino
@@ -2325,7 +2325,7 @@ void CmndScheme(void)
 void CmndWakeup(void)
 {
   if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload <= 100)) {
-    Settings.light_dimmer = XdrvMailbox.payload;
+    light_controller.changeDimmer(XdrvMailbox.payload);
   }
   Light.wakeup_active = 3;
   Settings.light_scheme = LS_WAKEUP;