diff --git a/build-binary-for-win-64.sh b/build-binary-for-win-64.sh
index 9c4544d2687d6b9e012225ae65c68da7285f6ab5..5c0a40e1fbedb0c4f2f4c1c3135eb908c3c1cf92 100755
--- a/build-binary-for-win-64.sh
+++ b/build-binary-for-win-64.sh
@@ -2,7 +2,7 @@
 #
 # for windows and Mac check the README
 #
-BIN_NAME=acme-downloader
+BIN_NAME=acme-downloader.exe
 PATH=$PATH:$(go env GOPATH)/bin
 GOPATH=$(go env GOPATH)
 PROG_VERSION="1.0"