diff --git a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh
index ab5f5b73d518f8a39130695e9eb1d4d4819c8267..62cf79b357f1c42b8549eb0ad19ec2d5b30ea1c6 100755
--- a/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh
+++ b/continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init.sh
@@ -77,6 +77,7 @@ else
     mtx -f /dev/${LIBRARYDEVICE} load ${tapeslot} ${driveslot}
     cd /tmp
       echo "VOL1${vid}                           CASTOR                                    3">label.file
+      mt -f /dev/${DRIVEDEVICES[${driveslot}]} rewind
       dd if=label.file of=/dev/${DRIVEDEVICES[${driveslot}]} bs=80 count=1
       mt -f /dev/${DRIVEDEVICES[${driveslot}]} rewind
     mtx -f /dev/${LIBRARYDEVICE} unload ${tapeslot} ${driveslot}