diff --git a/esphome/components/uart/uart_component_esp32_arduino.cpp b/esphome/components/uart/uart_component_esp32_arduino.cpp
index 793c1d52f4..b241c03de4 100644
--- a/esphome/components/uart/uart_component_esp32_arduino.cpp
+++ b/esphome/components/uart/uart_component_esp32_arduino.cpp
@@ -1,9 +1,9 @@
 #ifdef USE_ESP32_FRAMEWORK_ARDUINO
+#include "uart_component_esp32_arduino.h"
 #include "esphome/core/application.h"
 #include "esphome/core/defines.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
-#include "uart_component_esp32_arduino.h"
 
 #ifdef USE_LOGGER
 #include "esphome/components/logger/logger.h"
@@ -118,7 +118,7 @@ void ESP32ArduinoUARTComponent::setup() {
     }
 #endif  // USE_LOGGER
 
-    if (next_uart_num >= UART_NUM_MAX) {
+    if (next_uart_num >= SOC_UART_NUM) {
       ESP_LOGW(TAG, "Maximum number of UART components created already.");
       this->mark_failed();
       return;
diff --git a/esphome/components/uart/uart_component_esp_idf.cpp b/esphome/components/uart/uart_component_esp_idf.cpp
index 6999dfb619..122d4105c8 100644
--- a/esphome/components/uart/uart_component_esp_idf.cpp
+++ b/esphome/components/uart/uart_component_esp_idf.cpp
@@ -1,11 +1,11 @@
 #ifdef USE_ESP_IDF
 
 #include "uart_component_esp_idf.h"
+#include <cinttypes>
 #include "esphome/core/application.h"
 #include "esphome/core/defines.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
-#include <cinttypes>
 
 #ifdef USE_LOGGER
 #include "esphome/components/logger/logger.h"
@@ -84,7 +84,7 @@ void IDFUARTComponent::setup() {
   }
 #endif  // USE_LOGGER
 
-  if (next_uart_num >= UART_NUM_MAX) {
+  if (next_uart_num >= SOC_UART_NUM) {
     ESP_LOGW(TAG, "Maximum number of UART components created already.");
     this->mark_failed();
     return;