diff --git a/chip_list_esp32.txt b/chip_list_esp32.txt
index fdaf28b..020db8c 100644
--- a/chip_list_esp32.txt
+++ b/chip_list_esp32.txt
@@ -11,4 +11,5 @@ lr_bright_87_49     192.168.87.49   ESP32/wemos_d1_mini32
 rf_bridge_87_60     192.168.87.60   esp01_1m                                            Sonoff RF bridge
 sonoff_s31a         192.168.87.71   esp01_1m						Sonoff S31 power monitoring plug
 sonoff_s31b         87.72 now DHCP  esp01_1m						Sonoff S31 power monitoring plug
+sonoff-s31christmas         87.74   esp01_1m						Sonoff S31 power monitoring plug
 ifan04_a   192.168.87.73
diff --git a/ifan04a.yaml b/ifan04a.yaml
index 8eca45e..73f1846 100644
--- a/ifan04a.yaml
+++ b/ifan04a.yaml
@@ -29,8 +29,9 @@ esphome:
   on_boot:
     priority: 225
     # turn off the light as early as possible
+    # no, turn it on - if somebody flips the switch, turn the light on
     then:
-      - light.turn_off: ${device_name}_light
+      - light.turn_on: ${device_name}_light
 
 remote_receiver:
   pin: GPIO3
diff --git a/sonoff_s31c.yaml b/sonoff-s31christmas.yaml
similarity index 94%
rename from sonoff_s31c.yaml
rename to sonoff-s31christmas.yaml
index 302d784..a43ad26 100644
--- a/sonoff_s31c.yaml
+++ b/sonoff-s31christmas.yaml
@@ -1,6 +1,6 @@
 substitutions:
-  device_name: sonoff_s31c
-  device_ip: 192.168.87.73
+  device_name: sonoff-s31christmas
+  device_ip: 192.168.87.74
 
 esphome:
   name: ${device_name}