diff --git a/esphome/components/logger/logger.cpp b/esphome/components/logger/logger.cpp
index 598af8117ac..9f9989691fb 100644
--- a/esphome/components/logger/logger.cpp
+++ b/esphome/components/logger/logger.cpp
@@ -165,11 +165,11 @@ Logger::Logger(uint32_t baud_rate) : baud_rate_(baud_rate) {
 this->main_thread_ = pthread_self();
 #endif
 #ifdef USE_ESPHOME_TASK_LOG_BUFFER
-  this->init_log_buffer(task_log_buffer_size);
+  this->init_log_buffer_(task_log_buffer_size);
 #endif
 }
 #ifdef USE_ESPHOME_TASK_LOG_BUFFER
-void Logger::init_log_buffer(size_t total_buffer_size) {
+void Logger::init_log_buffer_(size_t total_buffer_size) {
   // Host uses slot count instead of byte size
   // NOLINTNEXTLINE(cppcoreguidelines-owning-memory) - allocated once, never freed
   this->log_buffer_ = new logger::TaskLogBuffer(total_buffer_size);
diff --git a/esphome/components/logger/logger.h b/esphome/components/logger/logger.h
index 05b4cc21a77..0697d6886fc 100644
--- a/esphome/components/logger/logger.h
+++ b/esphome/components/logger/logger.h
@@ -354,7 +354,7 @@ class Logger final : public Component {
   std::vector<LoggerLevelListener *> level_listeners_;  // Log level change listeners
 #endif
 #ifdef USE_ESPHOME_TASK_LOG_BUFFER
-  void init_log_buffer(size_t total_buffer_size);
+  void init_log_buffer_(size_t total_buffer_size);
   logger::TaskLogBuffer *log_buffer_{nullptr};  // Allocated once, never freed
 #endif