# How to use TeXmaker with subfolder build option and biber

Im working with Texmaker and use the option „use a „build“ in subdirectory“ to get a tidy folder.

```\usepackage[style=numeric,backend=biber]{biblatex}
\addbibresource{bib/bib_example.bib}```

My problem was to parse the relative path to biber. So i got an error of:

```ERROR - Cannot find control file 'example.bcf'!
- did you pass the "backend=biber" option to BibLaTeX?
INFO - ERRORS: 1 ```

The solution is to change the settings of Texmaker in the field of „Bib(La)Tex“ to

`"C:/Program Files/MiKTeX 2.9/miktex/bin/x64/biber.exe" build% `
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