diff --git a/esphome/components/remote_transmitter/remote_transmitter.cpp b/esphome/components/remote_transmitter/remote_transmitter.cpp
index 79d9cda93b..347e9d9d33 100644
--- a/esphome/components/remote_transmitter/remote_transmitter.cpp
+++ b/esphome/components/remote_transmitter/remote_transmitter.cpp
@@ -40,7 +40,13 @@ void RemoteTransmitterComponent::await_target_time_() {
   if (this->target_time_ == 0) {
     this->target_time_ = current_time;
   } else if ((int32_t) (this->target_time_ - current_time) > 0) {
+#if defined(USE_LIBRETINY)
+    // busy loop for libretiny is required (see the comment inside micros() in wiring.c)
+    while ((int32_t) (this->target_time_ - micros()) > 0)
+      ;
+#else
     delayMicroseconds(this->target_time_ - current_time);
+#endif
   }
 }