diff --git a/esphome/aussensensor.yaml b/esphome/aussensensor.yaml
index 0398e64..d9f2020 100644
--- a/esphome/aussensensor.yaml
+++ b/esphome/aussensensor.yaml
@@ -39,6 +39,7 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
 
 # DHT22 sensor
diff --git a/esphome/badezimmer-luft.yaml b/esphome/badezimmer-luft.yaml
index 0080823..d39bd2b 100644
--- a/esphome/badezimmer-luft.yaml
+++ b/esphome/badezimmer-luft.yaml
@@ -39,6 +39,7 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
 
 # DHT22 sensor
diff --git a/esphome/epaperframe.yaml b/esphome/epaperframe.yaml
index 2a6f3c2..6a7eda7 100644
--- a/esphome/epaperframe.yaml
+++ b/esphome/epaperframe.yaml
@@ -46,6 +46,7 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
 
 # Power key of li-ion charger
diff --git a/esphome/geigercounter.yaml b/esphome/geigercounter.yaml
index aa3ff8a..4e6c49c 100644
--- a/esphome/geigercounter.yaml
+++ b/esphome/geigercounter.yaml
@@ -39,6 +39,7 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
 
 spi:
diff --git a/esphome/kamera-wohnzimmer.yaml b/esphome/kamera-wohnzimmer.yaml
index f77d364..00afac4 100644
--- a/esphome/kamera-wohnzimmer.yaml
+++ b/esphome/kamera-wohnzimmer.yaml
@@ -39,8 +39,9 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
-
+  
 # Camera
 esp32_camera:
   name: ${friendly_name}
diff --git a/esphome/livingroom.yaml b/esphome/livingroom.yaml
index c86618b..2f18387 100644
--- a/esphome/livingroom.yaml
+++ b/esphome/livingroom.yaml
@@ -79,6 +79,7 @@ api:
 
 # Enable over-the-air updates
 ota:
+  platform: esphome
   password: !secret ota
 
 # Initialize I²C
diff --git a/esphome/m5stack-atom-echo.yaml b/esphome/m5stack-atom-echo.yaml
index 705c1cb..79e5021 100644
--- a/esphome/m5stack-atom-echo.yaml
+++ b/esphome/m5stack-atom-echo.yaml
@@ -20,7 +20,9 @@ esp32:
 api:
   encryption: 
     key: !secret apikey
+
 ota:
+  platform: esphome
   password: !secret ota
 
 wifi:
diff --git a/esphome/raspiaudio-muse-luxe.yaml b/esphome/raspiaudio-muse-luxe.yaml
index e69cd05..423e2b2 100644
--- a/esphome/raspiaudio-muse-luxe.yaml
+++ b/esphome/raspiaudio-muse-luxe.yaml
@@ -6,7 +6,9 @@ substitutions:
 api:
   encryption: 
     key: !secret apikey
+
 ota:
+  platform: esphome
   password: !secret ota
 
 wifi:
diff --git a/esphome/riden-labornetzteil.yaml b/esphome/riden-labornetzteil.yaml
index 2f6a09d..6234f6c 100644
--- a/esphome/riden-labornetzteil.yaml
+++ b/esphome/riden-labornetzteil.yaml
@@ -76,6 +76,7 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
 
 # Enable status LED
diff --git a/esphome/serverroom.yaml b/esphome/serverroom.yaml
index 5f6dd2a..a7ff3d2 100644
--- a/esphome/serverroom.yaml
+++ b/esphome/serverroom.yaml
@@ -39,6 +39,7 @@ api:
     key: !secret apikey
 
 ota:
+  platform: esphome
   password: !secret ota
 
 # Initialize I²C
diff --git a/esphome/sleepingroom.yaml b/esphome/sleepingroom.yaml
index 27ae978..d0d414f 100644
--- a/esphome/sleepingroom.yaml
+++ b/esphome/sleepingroom.yaml
@@ -78,6 +78,7 @@ api:
 
 # Enable over-the-air updates
 ota:
+  platform: esphome
   password: !secret ota
 
 # Initialize I²C