diff --git a/lib_arm/Makefile b/lib_arm/Makefile
index 037c475..bfd5b0e 100644
--- a/lib_arm/Makefile
+++ b/lib_arm/Makefile
@@ -28,7 +28,7 @@
 SOBJS	= _ashldi3.o _ashrdi3.o _divsi3.o _modsi3.o _udivsi3.o _umodsi3.o
 
 COBJS	= armlinux.o board.o \
-	  cache.o div0.o
+	  cache.o div0.o interrupts.o
 
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))