diff --git a/esphome/components/uart/uart_component_libretiny.cpp b/esphome/components/uart/uart_component_libretiny.cpp
index cb4465068d8..83d2acb332d 100644
--- a/esphome/components/uart/uart_component_libretiny.cpp
+++ b/esphome/components/uart/uart_component_libretiny.cpp
@@ -110,7 +110,7 @@ void LibreTinyUARTComponent::setup() {
 #if LT_HW_UART2
     ESP_LOGE(TAG, "    TX=%u, RX=%u", PIN_SERIAL2_TX, PIN_SERIAL2_RX);
 #endif
-    this->mark_failed();
+    this->mark_failed(LOG_STR("SoftwareSerial is not implemented for this chip."));
     return;
 #endif
   }