diff --git a/esphome/components/adc/adc_sensor_esp32.cpp b/esphome/components/adc/adc_sensor_esp32.cpp
index afa369d409..24e3750091 100644
--- a/esphome/components/adc/adc_sensor_esp32.cpp
+++ b/esphome/components/adc/adc_sensor_esp32.cpp
@@ -96,7 +96,7 @@ float ADCSensor::sample() {
       }
       sum += raw;
     }
-    sum = (sum + (this->sample_count_ >> 1)) / this->sample_count_;
+    sum = (sum + (this->sample_count_ >> 1)) / this->sample_count_;  // NOLINT(clang-analyzer-core.DivideZero)
     if (this->output_raw_) {
       return sum;
     }