diff --git a/platformio.ini b/platformio.ini
index 73da6250..9321eea0 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -433,6 +433,7 @@ platform_packages = ${esp32.platform_packages}
 upload_speed = 921600
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags_esp32} -D WLED_RELEASE_NAME=ESP32_Ethernet -D RLYPIN=-1 -D WLED_USE_ETHERNET -D BTNPIN=-1
+  -D WLED_DISABLE_ESPNOW ;; ESP-NOW requires wifi, may crash with ethernet only
 lib_deps = ${esp32.lib_deps}
 board_build.partitions = ${esp32.default_partitions}