1 files changed, 13 insertions, 0 deletions
diff --git a/keyboards/ymd75/rev1/rules.mk b/keyboards/ymd75/rev1/rules.mk
index 66ffbb499d..b77457b5ac 100644
--- a/keyboards/ymd75/rev1/rules.mk
+++ b/keyboards/ymd75/rev1/rules.mk
@@ -1,3 +1,16 @@
+# MCU name
+MCU = atmega32a
+
+# Bootloader selection
+#   Teensy       halfkay
+#   Pro Micro    caterina
+#   Atmel DFU    atmel-dfu
+#   LUFA DFU     lufa-dfu
+#   QMK DFU      qmk-dfu
+#   ATmega32A    bootloadHID
+#   ATmega328P   USBasp
+BOOTLOADER = bootloadHID
+
 # build options
 BOOTMAGIC_ENABLE = yes
 MOUSEKEY_ENABLE = no