diff --git a/Makefile b/Makefile
index c6841bd..ed46b13 100644
--- a/Makefile
+++ b/Makefile
@@ -571,7 +571,8 @@
 CHIP_OBJS = jedec.o stm50.o w39.o w29ee011.o \
 	sst28sf040.o 82802ab.o \
 	sst49lfxxxc.o sst_fwhub.o edi.o flashchips.o spi.o spi25.o spi25_statusreg.o \
-	spi95.o opaque.o sfdp.o en29lv640b.o at45db.o writeprotect.o
+	spi95.o opaque.o sfdp.o en29lv640b.o at45db.o \
+	writeprotect.o writeprotect_ranges.o
 
 ###############################################################################
 # Library code.