diff --git a/cpu/at90usb1286/global.make b/cpu/at90usb1286/global.make
index bd7a497..4f511e0 100755
--- a/cpu/at90usb1286/global.make
+++ b/cpu/at90usb1286/global.make
@@ -3,7 +3,7 @@ CFLAGS+=-ggdb -mmcu=at90usb1286 -Wall -Os
 ASFLAGS+=-ggdb -mmcu=at90usb1286
 LDFLAGS+=-ggdb -mmcu=at90usb1286
 
-
+AVR_MCU=usb1286