diff --git a/variants/m5stack_coreink/platformio.ini b/variants/m5stack_coreink/platformio.ini
index f0eebeeba..796b58e67 100644
--- a/variants/m5stack_coreink/platformio.ini
+++ b/variants/m5stack_coreink/platformio.ini
@@ -23,4 +23,4 @@ lib_ignore =
 monitor_filters = esp32_exception_decoder
 board_build.f_cpu = 240000000L
 upload_protocol = esptool
-upload_port = /dev/ttyACM*
+upload_port = /dev/ttyACM0