diff --git a/esphome/components/host/__init__.py b/esphome/components/host/__init__.py
index a67d73fbb7..2d77f2f7ab 100644
--- a/esphome/components/host/__init__.py
+++ b/esphome/components/host/__init__.py
@@ -7,6 +7,7 @@ from esphome.const import (
     KEY_TARGET_FRAMEWORK,
     KEY_TARGET_PLATFORM,
     PLATFORM_HOST,
+    CoreModel,
 )
 from esphome.core import CORE
 
@@ -43,6 +44,7 @@ async def to_code(config):
     cg.add_define("USE_ESPHOME_HOST_MAC_ADDRESS", config[CONF_MAC_ADDRESS].parts)
     cg.add_build_flag("-std=gnu++20")
     cg.add_define("ESPHOME_BOARD", "host")
+    cg.add_define(CoreModel.MULTI_ATOMICS)
     cg.add_platformio_option("platform", "platformio/native")
     cg.add_platformio_option("lib_ldf_mode", "off")
     cg.add_platformio_option("lib_compat_mode", "strict")