diff --git a/conf/systemd.service b/conf/systemd.service
index 64bc054..84a727d 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -8,6 +8,7 @@ Restart=always
 User=__APP__
 Group=__APP__
 WorkingDirectory=__INSTALL_DIR__/
+Environment="NODE_ENV=production"
 ExecStart=__YNH_NODE__ server/server.js --port=__PORT__
 StandardOutput=append:/var/log/__APP__/__APP__.log
 StandardError=inherit
diff --git a/scripts/install b/scripts/install
index e820352..a2d58f7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -53,7 +53,7 @@ ynh_script_progression --message="Installing Uptime Kuma dependencies..." --weig
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install --production
 popd
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 13e842b..499980e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -66,7 +66,7 @@ ynh_script_progression --message="Upgrading Uptime Kuma dependencies..." --weigh
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install
+	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH $ynh_npm install --production
 popd
 
 #=================================================