diff --git a/zsnes/src/makefile.dos b/zsnes/src/makefile.dos
index 8b121ffa..008edaae 100644
--- a/zsnes/src/makefile.dos
+++ b/zsnes/src/makefile.dos
@@ -93,7 +93,7 @@ water.o: water.c
 ${DOSDIR}/zfile.o: ${DOSDIR}/zfile.c
 ${ZIPDIR}/unzip.o: ${ZIPDIR}/unzip.c ${ZIPDIR}/unzip.h
 ${ZIPDIR}/zzip.o: ${ZIPDIR}/zzip.c ${ZIPDIR}/unzip.h
-${ZIPDIR}/zpng.o: ${ZIPDIR}/zpng.c  ${ZIPDIR}/zpng.h ${ZIPDIR}/png.h
+${ZIPDIR}/zpng.o: ${ZIPDIR}/zpng.c  ${ZIPDIR}/zpng.h
 ${VIDEODIR}/procvid.o: ${VIDEODIR}/procvid.asm macros.mac ${VIDEODIR}/copyvid.inc ${VIDEODIR}/2xSaImmx.inc
 ${CHIPDIR}/dsp1proc.o: ${CHIPDIR}/dsp1proc.asm macros.mac
 ${CHIPDIR}/sa1regs.o: ${CHIPDIR}/sa1regs.asm macros.mac\
diff --git a/zsnes/src/makefile.win b/zsnes/src/makefile.win
index 3bd70f06..2b8255a5 100644
--- a/zsnes/src/makefile.win
+++ b/zsnes/src/makefile.win
@@ -99,7 +99,7 @@ ${WINDIR}/ztcp.obj: ${WINDIR}/ztcp.c
 ${WINDIR}/winlink.obj: ${WINDIR}/winlink.cpp ${WINDIR}/resource.h
 ${ZIPDIR}/unzip.obj: ${ZIPDIR}/unzip.c ${ZIPDIR}/unzip.h 
 ${ZIPDIR}/zzip.obj: ${ZIPDIR}/zzip.c ${ZIPDIR}/unzip.h
-${ZIPDIR}/zpng.obj: ${ZIPDIR}/zpng.c  ${ZIPDIR}/zpng.h ${ZIPDIR}/png.h
+${ZIPDIR}/zpng.obj: ${ZIPDIR}/zpng.c  ${ZIPDIR}/zpng.h ${ZIPDIR}/zpng.h
 ${DOSDIR}/initvid.o:${DOSDIR}/initvid.asm macros.mac
 ${DOSDIR}/modemrtn.o: ${DOSDIR}/modemrtn.asm macros.mac
 ${DOSDIR}/zsipx.o: ${DOSDIR}/zsipx.asm