diff --git a/platformio.ini b/platformio.ini
index 9c2c71a83..50c6f6207 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -20,7 +20,7 @@ src_dir     = Marlin
 build_dir   = .pioenvs
 lib_dir     = .piolib
 libdeps_dir = .piolibdeps
-env_default = megaatmega2560
+env_default = melzi_optiboot
 
 [common]
 build_flags = -fmax-errors=5