diff --git a/helpers/config b/helpers/config
index 06a9b1c00e82ae372ffa1fab7e5a24b4328b2dad..82911b19c009c881c4b084d958b469deb03eb455 100755
--- a/helpers/config
+++ b/helpers/config
@@ -52,7 +52,7 @@ export DOMAIN=trisquel.info
 export UPSTREAM=precise
 export UPSTREAMRELEASE=12.04
 MIRROR=http://archive.ubuntu.com/ubuntu
-DEVELMIRROR=http://devel.trisquel.info/trisquel/$UPSTREAM
+DEVELMIRROR=http://devel.trisquel.info/trisquel/$CODENAME
 LOCALMIRROR=http://archive.trisquel.info/trisquel
 
 cat << EOF > /etc/lsb-release 
@@ -84,7 +84,7 @@ deb-src $MIRROR $UPSTREAM-updates main universe
 deb-src $MIRROR $UPSTREAM-security main universe
 deb-src http://download.sugarlabs.org/packages/SweetsDistribution:/0.94/Ubuntu-11.10/ ./
 deb-src http://download.sugarlabs.org/packages/SweetsDistribution/Ubuntu-11.10/ ./
-deb $DEVELMIRROR $UPSTREAM main
+deb $DEVELMIRROR $CODENAME main
 EOF
 
 wget http://download.sugarlabs.org/packages/SweetsDistribution:/0.94/Ubuntu-11.04/Release.key -O - -o /dev/null|apt-key add -