diff --git a/stretch-vm.sh b/stretch-vm.sh
index 2032292..041dbf1 100644
--- a/stretch-vm.sh
+++ b/stretch-vm.sh
@@ -55,7 +55,7 @@ done
 
 echo "setup systembackup"
 wget -q -O /usr/local/sbin/systembackup https://code.camijo.de/gmueller/server-scripts/raw/master/systembackup
-if [ ! -f /etc/systembackup.conf ] then
+if [ ! -f /etc/systembackup.conf ]; then
 cat >>/etc/systembackup.conf <<EOF
 REPOSITORY=
 PASSPHRASE=