diff --git a/board/gdsys/405ep/Makefile b/board/gdsys/405ep/Makefile
index feb5cec..38e5ea4 100644
--- a/board/gdsys/405ep/Makefile
+++ b/board/gdsys/405ep/Makefile
@@ -25,6 +25,7 @@
 
 LIB	= $(obj)lib$(BOARD).o
 
+COBJS-$(CONFIG_NEO) += neo.o
 COBJS-$(CONFIG_IO) += io.o
 COBJS-$(CONFIG_IOCON) += iocon.o
 COBJS-$(CONFIG_DLVISION_10G) += dlvision-10g.o