diff --git a/esphome/core/application.h b/esphome/core/application.h
index bc40fe0c7e..82f399b2d6 100644
--- a/esphome/core/application.h
+++ b/esphome/core/application.h
@@ -340,6 +340,9 @@ class Application {
 #if defined(USE_ESP32) || defined(USE_LIBRETINY)
   /// Wake from ISR (ESP32 and LibreTiny).
   static void IRAM_ATTR wake_loop_isrsafe(BaseType_t *px) { esphome::wake_loop_isrsafe(px); }
+#elif defined(USE_ESP8266)
+  /// Wake from ISR (ESP8266). No task_woken arg — no FreeRTOS. Caller must be IRAM_ATTR.
+  static void IRAM_ATTR ESPHOME_ALWAYS_INLINE wake_loop_isrsafe() { esphome::wake_loop_isrsafe(); }
 #endif
 
   /// Wake from any context (ISR, thread, callback).
diff --git a/esphome/core/wake.h b/esphome/core/wake.h
index 5733ee65f6..77a38d429e 100644
--- a/esphome/core/wake.h
+++ b/esphome/core/wake.h
@@ -77,6 +77,9 @@ void wake_loop_any_context();
 /// Non-ISR: always inline.
 inline void wake_loop_threadsafe() { wake_loop_impl(); }
 
+/// ISR-safe: no task_woken arg because ESP8266 has no FreeRTOS. Caller must be IRAM_ATTR.
+inline void ESPHOME_ALWAYS_INLINE wake_loop_isrsafe() { wake_loop_impl(); }
+
 namespace internal {
 inline void wakeable_delay(uint32_t ms) {
   if (ms == 0) {