diff --git a/scripts/install b/scripts/install
index add0f20..42f2583 100755
--- a/scripts/install
+++ b/scripts/install
@@ -49,7 +49,7 @@ ynh_script_progression --message="Increasing maximum map count (sysctl)..."
 # Increase the maximum number of files inotify can monitor.
 cp -a ../conf/90-max_map_count-elasticsearch.conf /etc/sysctl.d/
 # Then, reload the kernel configuration.
-if ! [ "${container:-}" = "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
+if ! [ "$(systemd-detect-virt)" == "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
 then
 	sysctl -p /etc/sysctl.d/90-max_map_count-elasticsearch.conf
 fi
diff --git a/scripts/remove b/scripts/remove
index c028c2d..13375c9 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -31,7 +31,7 @@ ynh_remove_logrotate
 if [ -e "/etc/sysctl.d/90-max_map_count-elasticsearch.conf" ]; then
 	ynh_secure_remove --file="/etc/sysctl.d/90-max_map_count-elasticsearch.conf"
 	# Reload the kernel configuration.
-	if ! [ "${container:-}" = "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
+	if ! [ "$(systemd-detect-virt)" == "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
 	then
 		sysctl --system
 	fi
diff --git a/scripts/restore b/scripts/restore
index f262a1e..b7e86c9 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -37,7 +37,7 @@ chown -R $app:www-data "$data_dir"
 ynh_script_progression --message="Restoring various files..." --weight=1
 
 ynh_restore_file --origin_path="/etc/sysctl.d/90-max_map_count-elasticsearch.conf"
-if ! [ "${container:-}" = "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
+if ! [ "$(systemd-detect-virt)" == "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
 then
 	sysctl -p /etc/sysctl.d/90-max_map_count-elasticsearch.conf
 fi
diff --git a/scripts/upgrade b/scripts/upgrade
index ccc78e5..96f211d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -65,7 +65,7 @@ ynh_script_progression --message="Increasing maximum map count (sysctl)..."
 # Increase the maximum number of files inotify can monitor.
 cp -a ../conf/90-max_map_count-elasticsearch.conf /etc/sysctl.d/
 # Then, reload the kernel configuration.
-if ! [ "${container:-}" = "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
+if ! [ "$(systemd-detect-virt)" == "lxc" ] # lxc doesn't allow sysctl to play with kernel options.
 then
 	sysctl -p /etc/sysctl.d/90-max_map_count-elasticsearch.conf
 fi