diff --git a/board/spc1920/Makefile b/board/spc1920/Makefile
index 424ab1c..0c48c3a 100644
--- a/board/spc1920/Makefile
+++ b/board/spc1920/Makefile
@@ -25,7 +25,7 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	= $(BOARD).o
+COBJS	= $(BOARD).o hpi.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))