diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e0f635d..2ebff2f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 4.0.2
+
+_Fixes:_
+
+- Made chart userOptions available within `customCode` as variable `options` [(#551)](https://github.com/highcharts/node-export-server/issues/551).
+
 # 4.0.1
 
 _Hotfix_:
diff --git a/lib/highcharts.js b/lib/highcharts.js
index 76afd976..e82a2213 100644
--- a/lib/highcharts.js
+++ b/lib/highcharts.js
@@ -41,11 +41,6 @@ export async function triggerExport(chartOptions, options, displayErrors) {
   // prevent from polluting other exports that can happen on the same page
   Highcharts.setOptionsObj = merge(false, {}, getOptions());
 
-  // Trigger custom code
-  if (options.customLogic.customCode) {
-    new Function(options.customLogic.customCode)();
-  }
-
   // By default animation is disabled
   const chart = {
     animation: false
@@ -100,6 +95,11 @@ export async function triggerExport(chartOptions, options, displayErrors) {
   const userOptions = options.export.strInj
     ? new Function(`return ${options.export.strInj}`)()
     : chartOptions;
+  
+  // Trigger custom code
+  if (options.customLogic.customCode) {
+    new Function('options', options.customLogic.customCode)(userOptions);
+  }
 
   // Merge the globalOptions, themeOptions, options from the wrapped
   // setOptions function and user options to create the final options object
diff --git a/package.json b/package.json
index 73fa2248..b9c9d642 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,15 @@
       "require": "./dist/index.cjs"
     }
   },
-  "files": ["dist", "bin", "templates", "install.js", "lib"],
+  "files": [
+    "dist",
+    "bin",
+    "templates",
+    "install.js",
+    "lib",
+    "msg",
+    "public"
+  ],
   "repository": {
     "url": "https://github.com/highcharts/node-export-server",
     "type": "git"