diff --git a/Makefile b/Makefile
index 4569567..7b591ff 100644
--- a/Makefile
+++ b/Makefile
@@ -181,6 +181,9 @@ else
 	$(Q) cd html; find | ../espfs/mkespfsimage/mkespfsimage > ../webpages.espfs; cd ..
 endif
 
+blankflash:
+	$(Q) $(ESPTOOL) --port $(ESPPORT) --baud $(ESPBAUD) write_flash 0x7E000 $(SDK_BASE)/bin/blank.bin
+
 espfs/mkespfsimage/mkespfsimage: espfs/mkespfsimage/
 	$(Q) $(MAKE) -C espfs/mkespfsimage USE_HEATSHRINK="$(USE_HEATSHRINK)" GZIP_COMPRESSION="$(GZIP_COMPRESSION)"