diff --git a/CHANGELOG.md b/CHANGELOG.md
index f4d046b..7b89db7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+
+- Fixed initialization of the original plugin when a page is too small and DOM is already loaded before an event `window.addEventListener('load', ...)` is attached.
+
 ## [0.3.0] - 2021-12-28
 
 ### Added
diff --git a/package.json b/package.json
index f590386..d0d1fc1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "68publishers-cookie-consent",
-  "version": "0.3.0",
+  "version": "0.3.1-beta.0",
   "description": "Cookie consent wrapper based on orestbida/cookieconsent with GTM integration.",
   "homepage": "http://www.68publishers.io/",
   "main": "index.js",
diff --git a/src/CookieConsentWrapper.js b/src/CookieConsentWrapper.js
index 50d845d..663468b 100644
--- a/src/CookieConsentWrapper.js
+++ b/src/CookieConsentWrapper.js
@@ -109,7 +109,7 @@ class CookieConsentWrapper {
             }
         }
 
-        window.addEventListener('load', function () {
+        const windowLoadedCallback = function () {
             // init cookie consent
             self._cookieConsent = initCookieConsent();
             const consentManager = new ConsentManager(self._cookieConsent, self._storagePool, Object.values(self._eventTriggers), self._gtag);
@@ -138,7 +138,13 @@ class CookieConsentWrapper {
             }
 
             self._eventBus.dispatch(Events.ON_INIT, self);
-        });
+        };
+
+        if ('complete' === document.readyState) {
+            windowLoadedCallback();
+        } else {
+            window.addEventListener('load', windowLoadedCallback);
+        }
 
         this._initialized = true;
     }