diff --git a/tools/build b/tools/build
index 330f7e1..b8396b4 100755
--- a/tools/build
+++ b/tools/build
@@ -7,6 +7,12 @@ dir_source=source
 dir_build=build
 name=index.php
 
+
+## args
+
+if [ $# -ge 1 ] ; then profile=$1 && shift ; else profile="" ; fi
+
+
 ## exec
 
 mkdir -p ${dir_build}
@@ -19,5 +25,4 @@ rm -f ${dir_build}/${name}
 cp -r -u -v ${dir_source}/* ${dir_build}/
 ln -s main.php ${dir_build}/index.php
 
-cp conf/example.json ${dir_build}/conf.json
-
+test -z ${profile} || cp conf/${profile}.json ${dir_build}/conf.json