diff --git a/components/esp_driver_uart/include/driver/uart.h b/components/esp_driver_uart/include/driver/uart.h
index 13aa41cfac..911e138c94 100644
--- a/components/esp_driver_uart/include/driver/uart.h
+++ b/components/esp_driver_uart/include/driver/uart.h
@@ -248,7 +248,7 @@ esp_err_t uart_set_baudrate(uart_port_t uart_num, uint32_t baudrate);
  * @param baudrate Pointer to accept value of UART baud rate
  *
  * @return
- *     - ESP_FAIL Parameter error
+ *     - ESP_FAIL Parameter error or the UART port is not enabled
  *     - ESP_OK   Success, result will be put in (*baudrate)
  *
  */
diff --git a/components/esp_driver_uart/src/uart.c b/components/esp_driver_uart/src/uart.c
index e300a431d5..70a5da83ee 100644
--- a/components/esp_driver_uart/src/uart.c
+++ b/components/esp_driver_uart/src/uart.c
@@ -390,6 +390,7 @@ esp_err_t uart_set_baudrate(uart_port_t uart_num, uint32_t baud_rate)
 esp_err_t uart_get_baudrate(uart_port_t uart_num, uint32_t *baudrate)
 {
     ESP_RETURN_ON_FALSE((uart_num < UART_NUM_MAX), ESP_FAIL, UART_TAG, "uart_num error");
+    ESP_RETURN_ON_FALSE(uart_ll_is_enabled(uart_num), ESP_FAIL, UART_TAG, "uart port not enabled, unable to get register values");
 
     soc_module_clk_t src_clk;
     uint32_t sclk_freq;