diff --git a/debian/conf/syncdb.sh b/debian/conf/syncdb.sh
index f866a40..0032a81 100755
--- a/debian/conf/syncdb.sh
+++ b/debian/conf/syncdb.sh
@@ -2,7 +2,7 @@
 
 . /etc/portail-citoyen/portail-citoyen2.conf
 
-if [ $MULTITENANT_MODE = "yes" ]; then
+if [ "$MULTITENANT_MODE" = "yes" ]; then
     python /usr/lib/portail-citoyen/manage.py sync_schemas --all --noinput
     python /usr/lib/portail-citoyen/manage.py migrate_schemas --fake --noinput
 else
diff --git a/debian/portail-citoyen2.init b/debian/portail-citoyen2.init
index 66e4c34..b214060 100644
--- a/debian/portail-citoyen2.init
+++ b/debian/portail-citoyen2.init
@@ -112,7 +112,7 @@ do_reload() {
 
 do_migrate() {
     log_action_msg "Applying new migrations .."
-    if [ $MULTITENANT_MODE = "yes" ]; then
+    if [ "$MULTITENANT_MODE" = "yes" ]; then
         su $USER -p -c "/usr/bin/portail-citoyen-manage sync_schemas --migrate --noinput"
     else
         su $USER -p -c "/usr/bin/portail-citoyen-manage syncdb --migrate --noinput"