diff --git a/board/esd/pmc405/Makefile b/board/esd/pmc405/Makefile
index 12c1ba7..36707f4 100644
--- a/board/esd/pmc405/Makefile
+++ b/board/esd/pmc405/Makefile
@@ -26,7 +26,7 @@
 $(shell mkdir -p $(obj)../common/xilinx_jtag)
 endif
 
-LIB	= $(obj)lib$(BOARD).a
+LIB	= $(obj)lib$(BOARD).o
 
 # Objects for Xilinx JTAG programming (CPLD)
 CPLD    = ../common/xilinx_jtag/lenval.o \
@@ -40,7 +40,7 @@
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
 
 $(LIB):	$(OBJS) $(SOBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
 
 clean:
 	rm -f $(SOBJS) $(OBJS)