diff --git a/esphome/components/adc/__init__.py b/esphome/components/adc/__init__.py
index 11b0ba2389..d8d21523b9 100644
--- a/esphome/components/adc/__init__.py
+++ b/esphome/components/adc/__init__.py
@@ -1,11 +1,6 @@
-import esphome.codegen as cg
-import esphome.config_validation as cv
 from esphome import pins
-from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER
-
-from esphome.core import CORE
+import esphome.codegen as cg
 from esphome.components.esp32 import get_esp32_variant
-from esphome.const import PLATFORM_ESP8266
 from esphome.components.esp32.const import (
     VARIANT_ESP32,
     VARIANT_ESP32C2,
@@ -15,6 +10,9 @@ from esphome.components.esp32.const import (
     VARIANT_ESP32S2,
     VARIANT_ESP32S3,
 )
+import esphome.config_validation as cv
+from esphome.const import CONF_ANALOG, CONF_INPUT, CONF_NUMBER, PLATFORM_ESP8266
+from esphome.core import CORE
 
 CODEOWNERS = ["@esphome/core"]
 
@@ -102,11 +100,11 @@ ESP32_VARIANT_ADC1_PIN_TO_CHANNEL = {
         6: adc1_channel_t.ADC1_CHANNEL_6,
     },
     VARIANT_ESP32H2: {
-        0: adc1_channel_t.ADC1_CHANNEL_0,
-        1: adc1_channel_t.ADC1_CHANNEL_1,
-        2: adc1_channel_t.ADC1_CHANNEL_2,
-        3: adc1_channel_t.ADC1_CHANNEL_3,
-        4: adc1_channel_t.ADC1_CHANNEL_4,
+        1: adc1_channel_t.ADC1_CHANNEL_0,
+        2: adc1_channel_t.ADC1_CHANNEL_1,
+        3: adc1_channel_t.ADC1_CHANNEL_2,
+        4: adc1_channel_t.ADC1_CHANNEL_3,
+        5: adc1_channel_t.ADC1_CHANNEL_4,
     },
 }