diff --git a/misc/encedo_hex2dfu/README.md b/misc/encedo_hex2dfu/README.md
index 56b086d899..0fc12795ae 100644
--- a/misc/encedo_hex2dfu/README.md
+++ b/misc/encedo_hex2dfu/README.md
@@ -1,4 +1,7 @@
 (this tool would not compile as is so my changes are at https://github.com/rusefi/hex2dfu)
+(use
+gcc hex2dfu.c -o hex2dfu.exe
+to compile)
 (this comes from https://github.com/encedo/hex2dfu)
 
 
diff --git a/misc/encedo_hex2dfu/hex2dfu.exe b/misc/encedo_hex2dfu/hex2dfu.exe
index 05e5da9176..1edc24cdd6 100644
Binary files a/misc/encedo_hex2dfu/hex2dfu.exe and b/misc/encedo_hex2dfu/hex2dfu.exe differ