diff --git a/scripts/install b/scripts/install
index fdf9e68..b591fbd 100755
--- a/scripts/install
+++ b/scripts/install
@@ -93,8 +93,7 @@ ynh_print_info "Adding Erlang repository..."
 
 if [ "$(lsb_release --codename --short)" == "jessie" ]; then
 	echo "deb http://packages.erlang-solutions.com/debian jessie contrib" | tee /etc/apt/sources.list.d/erlang-solutions.list
-elif 
-	[ "$(lsb_release --codename --short)" == "stretch" ]; then
+elif [ "$(lsb_release --codename --short)" == "stretch" ]; then
 	echo "deb http://packages.erlang-solutions.com/debian stretch contrib" | tee /etc/apt/sources.list.d/erlang-solutions.list
 fi
 sudo wget https://packages.erlang-solutions.com/debian/erlang_solutions.asc
diff --git a/scripts/restore b/scripts/restore
index 5d09d7f..c9bb64d 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -90,8 +90,7 @@ ynh_print_info "Adding Erlang repository..."
 
 if [ "$(lsb_release --codename --short)" == "jessie" ]; then
 	echo "deb http://packages.erlang-solutions.com/debian jessie contrib" | tee /etc/apt/sources.list.d/erlang-solutions.list
-elif 
-	[ "$(lsb_release --codename --short)" == "stretch" ]; then
+elif [ "$(lsb_release --codename --short)" == "stretch" ]; then
 	echo "deb http://packages.erlang-solutions.com/debian stretch contrib" | tee /etc/apt/sources.list.d/erlang-solutions.list
 fi
 sudo wget https://packages.erlang-solutions.com/debian/erlang_solutions.asc