From e209bbb5aec9c24218d6c65fb5df5000a0a12792 Mon Sep 17 00:00:00 2001
From: Samuel Sieb <samuel-github@sieb.net>
Date: Mon, 27 Jul 2026 12:48:29 -0700
Subject: [PATCH] [logger] flush lines for host logger (#17878)

Co-authored-by: Samuel Sieb <samuel@sieb.net>
---
 esphome/components/logger/logger_host.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/esphome/components/logger/logger_host.cpp b/esphome/components/logger/logger_host.cpp
index fe094f6e9e..708ab883e7 100644
--- a/esphome/components/logger/logger_host.cpp
+++ b/esphome/components/logger/logger_host.cpp
@@ -21,6 +21,7 @@ void HOT Logger::write_msg_(const char *msg, uint16_t len) {
 
   // Single write for everything
   fwrite(buffer, 1, pos, stdout);
+  fflush(stdout);
 }
 
 void Logger::pre_setup() { global_logger = this; }