diff --git a/esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp b/esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp
index 6b07ecb1b6..1c6c50d8c9 100644
--- a/esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp
+++ b/esphome/components/i2s_audio/speaker/i2s_audio_speaker.cpp
@@ -233,6 +233,7 @@ void I2SAudioSpeaker::loop() {
   switch (this->state_) {
     case speaker::STATE_STARTING:
       this->start_();
+      [[fallthrough]];
     case speaker::STATE_RUNNING:
     case speaker::STATE_STOPPING:
       this->watch_();