diff --git a/Makefile b/Makefile
index 2a75dfe97..e7c9b216a 100644
--- a/Makefile
+++ b/Makefile
@@ -131,6 +131,12 @@ dsk: md asm
 	rm -f build/X/**/PRODOS
 	rm -f build/X/**/LOADER.SYSTEM
 	$(CADIUS) ADDFOLDER build/"$(DISK)" "/${VOLUME}/X" "build/X" >>build/log
+	$(CADIUS) RENAMEFILE build/"$(DISK)" "/{$VOLUME}/DEMO/SPCARTOON.11" "SPCARTOON.1." >>build/log
+	$(CADIUS) RENAMEFILE build/"$(DISK)" "/{$VOLUME}/DEMO/SPCARTOON.22" "SPCARTOON.2." >>build/log
+	$(CADIUS) RENAMEFILE build/"$(DISK)" "/{$VOLUME}/DEMO/SPCARTOON.33" "SPCARTOON.3." >>build/log
+	$(CADIUS) RENAMEFILE build/"$(DISK)" "/{$VOLUME}/DEMO/SPCARTOON.44" "SPCARTOON.4." >>build/log
+	$(CADIUS) RENAMEFILE build/"$(DISK)" "/{$VOLUME}/DEMO/SPCARTOON.55" "SPCARTOON.5." >>build/log
+	$(CADIUS) RENAMEFILE build/"$(DISK)" "/{$VOLUME}/DEMO/SPCARTOON.66" "SPCARTOON.6." >>build/log
 	bin/changebootloader.py build/"$(DISK)" res/proboothd
 
 mount: dsk