diff --git a/conf/systemd.service b/conf/systemd.service
index b76bdd5..cd1dfb6 100755
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -9,7 +9,7 @@ Group=__APP__
 WorkingDirectory=__FINALPATH__
 Environment=PATH=__ENV_PATH__
 Environment=NODE_ENV=production
-ExecStart=mynewwiki --listen port=__PORT__ #authenticated-user-header=basic
+ExecStart=__YNH_NPM__ mynewwiki --listen port=__PORT__ #authenticated-user-header=basic
 #tiddlywiki mynewwiki --listen port=__PORT__ username=__ADMIN__ password=__PASSWORD__
 Restart=always
 
diff --git a/scripts/install b/scripts/install
index 348daa0..5ee3979 100755
--- a/scripts/install
+++ b/scripts/install
@@ -108,7 +108,10 @@ pushd $final_path
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
-ynh_add_systemd_config --others_var="ynh_node_load_PATH"
+ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
+ynh_replace_string --match_string="__YNH_NPM__" --replace_string="$ynh_npm" --target_file="../conf/systemd.service"
+
+ynh_add_systemd_config
 
 #=================================================
 # GENERIC FINALIZATION