diff --git a/Makefile b/Makefile
index 088606c..b0f6cbf 100644
--- a/Makefile
+++ b/Makefile
@@ -385,7 +385,7 @@
 # Flash chip drivers and bus support infrastructure.
 
 CHIP_OBJS = memory_bus.o jedec.o stm50.o w39.o w29ee011.o \
-	sst28sf040.o 82802ab.o \
+	sst28sf040.o 82802ab.o m28f.o \
 	sst49lfxxxc.o sst_fwhub.o edi.o flashchips.o \
 	spi.o spi25.o spi25_prepare.o spi25_statusreg.o \
 	spi95.o opaque.o sfdp.o en29lv640b.o at45db.o \