diff --git a/esphome/const.py b/esphome/const.py
index 3a3e8128c6..b37d816256 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -583,7 +583,7 @@ ICON_SIGNAL = 'mdi:signal-distance-variant'
 ICON_SIGNAL_DISTANCE_VARIANT = 'mdi:signal'
 ICON_THERMOMETER = 'mdi:thermometer'
 ICON_TIMELAPSE = 'mdi:timelapse'
-ICON_TIMER = 'mdi:timer'
+ICON_TIMER = 'mdi:timer-outline'
 ICON_WATER_PERCENT = 'mdi:water-percent'
 ICON_WEATHER_SUNSET = 'mdi:weather-sunset'
 ICON_WEATHER_SUNSET_DOWN = 'mdi:weather-sunset-down'