diff --git a/zsnes/src/makefile.dos b/zsnes/src/makefile.dos
index 60c99625..2666ebee 100644
--- a/zsnes/src/makefile.dos
+++ b/zsnes/src/makefile.dos
@@ -28,7 +28,7 @@ EFFECTSDIR=effects
 CHIPSOBJ=${CHIPDIR}/dsp1emu.o ${CHIPDIR}/fxemu2.o ${CHIPDIR}/sfxproc.o\
 	${CHIPDIR}/fxemu2b.o ${CHIPDIR}/fxemu2c.o ${CHIPDIR}/fxtable.o\
         ${CHIPDIR}/sa1proc.o ${CHIPDIR}/sa1regs.o ${CHIPDIR}/dsp1proc.o\
-        ${CHIPDIR}/st10proc.o
+        ${CHIPDIR}/st10proc.o ${CHIPDIR}/dsp2emu.o
 
 CPUOBJ=${CPUDIR}/addrni.o ${CPUDIR}/dma.o ${CPUDIR}/dsp.o ${CPUDIR}/dspproc.o\
 	${CPUDIR}/execute.o ${CPUDIR}/irq.o ${CPUDIR}/memory.o\