diff --git a/esphome/components/esp32/__init__.py b/esphome/components/esp32/__init__.py
index 59c6029334..d372af3e6a 100644
--- a/esphome/components/esp32/__init__.py
+++ b/esphome/components/esp32/__init__.py
@@ -854,6 +854,10 @@ def _configure_lwip_max_sockets(conf: dict) -> None:
 async def to_code(config):
     cg.add_platformio_option("board", config[CONF_BOARD])
     cg.add_platformio_option("board_upload.flash_size", config[CONF_FLASH_SIZE])
+    cg.add_platformio_option(
+        "board_upload.maximum_size",
+        int(config[CONF_FLASH_SIZE].removesuffix("MB")) * 1024 * 1024,
+    )
     cg.set_cpp_standard("gnu++20")
     cg.add_build_flag("-DUSE_ESP32")
     cg.add_define("ESPHOME_BOARD", config[CONF_BOARD])