diff --git a/platformio.ini b/platformio.ini
index 514c4648..7870772c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -418,7 +418,7 @@ lib_deps =
 	${env:esp32c6_8mb_fromitems.lib_deps}
 lib_ignore = LT_WebSockets
 build_flags = 
-	-Desp32c6_4mb="esp32c6_4mb"
+	-Desp32c6_8mb="esp32c6_8mb"
 	-DARDUINO_USB_CDC_ON_BOOT=0
 	-DARDUINO_USB_MODE=0
 	-Wl,--wrap=esp_panic_handler
@@ -433,6 +433,7 @@ upload_speed = 921600
 monitor_speed = 115200
 debug_tool = esp-prog
 board_build.partitions = tools/partitions_custom_8mb.csv
+board_upload.flash_size = 8MB
 board_build.filesystem = littlefs
 build_src_filter = 
 	+<*.cpp>