@@ -14,7 +14,7 @@ for d in "$CROSS/"*/*; do

 	GOARCH="$(basename "$d")"

 	GOOS="$(basename "$(dirname "$d")")"

 	BINARY_NAME="docker-$VERSION"

-	BINARY_EXTENSION="$(binary_extension)"

+	BINARY_EXTENSION="$(export GOOS && binary_extension)"

 	BINARY_FULLNAME="$BINARY_NAME$BINARY_EXTENSION"

 	mkdir -p "$DEST/$GOOS/$GOARCH"

 	TGZ="$DEST/$GOOS/$GOARCH/$BINARY_NAME.tgz"