diff --git a/hooks/conf_regen/01-yunohost b/hooks/conf_regen/01-yunohost
index 7e03d1978..d0e6fb783 100755
--- a/hooks/conf_regen/01-yunohost
+++ b/hooks/conf_regen/01-yunohost
@@ -125,12 +125,15 @@ EOF
     fi
 
     # Skip ntp if inside a container (inspired from the conf of systemd-timesyncd)
-    mkdir -p ${pending_dir}/etc/systemd/system/ntp.service.d/
-    cat >${pending_dir}/etc/systemd/system/ntp.service.d/ynh-override.conf <<EOF
+    if systemctl | grep -q 'ntp.service'
+    then
+        mkdir -p ${pending_dir}/etc/systemd/system/ntp.service.d/
+        cat >${pending_dir}/etc/systemd/system/ntp.service.d/ynh-override.conf <<EOF
 [Unit]
 ConditionCapability=CAP_SYS_TIME
 ConditionVirtualization=!container
 EOF
+    fi
 
     # Make nftable conflict with yunohost-firewall
     mkdir -p ${pending_dir}/etc/systemd/system/nftables.service.d/
@@ -215,10 +218,13 @@ do_post_regen() {
     grep -q '^sftp.app:' /etc/group || groupadd sftp.app
 
     # Propagates changes in systemd service config overrides
-    [[ ! "$regen_conf_files" =~ "ntp.service.d/ynh-override.conf" ]] || {
-        systemctl daemon-reload
-        systemctl restart ntp
-    }
+    if systemctl | grep -q 'ntp.service'
+    then
+        [[ ! "$regen_conf_files" =~ "ntp.service.d/ynh-override.conf" ]] || {
+            systemctl daemon-reload
+            systemctl restart ntp
+        }
+    fi
     [[ ! "$regen_conf_files" =~ "nftables.service.d/ynh-override.conf" ]] || systemctl daemon-reload
     [[ ! "$regen_conf_files" =~ "login.conf.d/ynh-override.conf" ]] ||  {
         systemctl daemon-reload