diff --git a/cpu/nios/Makefile b/cpu/nios/Makefile
index a9adbc5..7855325 100644
--- a/cpu/nios/Makefile
+++ b/cpu/nios/Makefile
@@ -27,7 +27,7 @@
 
 START	= start.o
 AOBJS	= traps.o
-OBJS	= cpu.o interrupts.o serial.o asmi.o
+OBJS	= cpu.o interrupts.o serial.o asmi.o spi.o
 
 all:	.depend $(START) $(LIB)