diff --git a/scripts/_common.sh b/scripts/_common.sh
index 36b4d4b..d82f45a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -47,7 +47,7 @@ install_dependance() {
 mv_expect_scripts() {
     expect_scripts_dir=$(mktemp -d)
     cp expect_scripts/* $expect_scripts_dir
-    chmod u=rwX,o= -R $expect_scripts_dir
+    chmod u=rwx,o= -R $expect_scripts_dir
     chown $seafile_user -R $expect_scripts_dir
 }
 
diff --git a/scripts/install b/scripts/install
index 917ca2e..d7e3785 100644
--- a/scripts/install
+++ b/scripts/install
@@ -104,7 +104,7 @@ ynh_script_progression --message="Configuring application..." --weight=3
 # Run install script
 mv_expect_scripts
 chmod +x $final_path/seafile-server-$seafile_version/setup-seafile-mysql.sh
-expect $expect_scripts_dir/install.exp "$final_path/seafile-server-$seafile_version" "$server_name" "$domain" "$fileserver_port" "$db_pwd"
+$expect_scripts_dir/install.exp "$final_path/seafile-server-$seafile_version" "$server_name" "$domain" "$fileserver_port" "$db_pwd"
 
 sleep 3