diff --git a/esphome/components/logger/logger_zephyr.cpp b/esphome/components/logger/logger_zephyr.cpp
index 2810aa0b52..523d23083f 100644
--- a/esphome/components/logger/logger_zephyr.cpp
+++ b/esphome/components/logger/logger_zephyr.cpp
@@ -14,7 +14,7 @@ namespace logger {
 static const char *const TAG = "logger";
 
 void Logger::loop() {
-  if (this->uart_ != UART_SELECTION_USB_CDC || nullptr == uart_dev_) {
+  if (this->uart_ != UART_SELECTION_USB_CDC || nullptr == this->uart_dev_) {
     return;
   }
   static bool opened = false;