diff --git a/vsd_filter/Makefile b/vsd_filter/Makefile
index 307e250a..da84ab2d 100644
--- a/vsd_filter/Makefile
+++ b/vsd_filter/Makefile
@@ -48,7 +48,5 @@ release:
 	cd ../../; \
 		lha a -d ../vsd_filter_gps.exe *; \
 	cd ..; \
-		lha a vsd_filter_gps.lzh vsd_filter_gps.exe; \
-		perl -ne 'rename( "vsd_filter_gps.lzh", "vsd_filter_gps_r$$1.lzh" ) if( /#define\s+PROG_REVISION\s+(\d+)/ );' rev_num.h ;\
-		rm vsd_filter_gps.exe
+		perl -ne 'rename( "vsd_filter_gps.exe", "vsd_filter_gps_r$$1.exe" ) if( /#define\s+PROG_REVISION\s+(\d+)/ );' rev_num.h
 	rm -rf zrelease