diff --git a/Makefile b/Makefile
index 3f8a3f8..c8110d4 100644
--- a/Makefile
+++ b/Makefile
@@ -7,10 +7,10 @@ STRIP  = avr-strip
 CPPFLAGS = -DNDEBUG
 CFLAGS   = -Os
 
-LDFLAGS  += -nostdlib -nostartfiles -flto
 CPPFLAGS += -Iinclude
-CFLAGS   += -std=gnu99 -MMD -MP
-CFLAGS   += -Wall -Wextra -Wpedantic -Wno-pointer-arith
+CFLAGS   += -mmcu=avr128da28 -std=gnu99 -MMD -MP
+LDFLAGS  += -mmcu=avr128da28 -Wall -Wextra -Wpedantic -Wno-pointer-arith
+LDFLAGS  += -nostdlib -nostartfiles -flto
 
 SRC := $(wildcard src/*.c src/*/*.c src/*/*/*.c src/*/*/*/*.c src/*/*/*/*/*.c src/*/*/*/*/*/*.c src/*/*/*/*/*/*/*.c src/*/*/*/*/*/*/*/*.c)
 SRC += $(wildcard src/*.S src/*/*.S src/*/*/*.S src/*/*/*/*.S src/*/*/*/*/*.S src/*/*/*/*/*/*.S src/*/*/*/*/*/*/*.S src/*/*/*/*/*/*/*/*.S)