diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20f26bb..bba20bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ Breaking changes:
 New features:
 
 Bugfixes:
+- Fixed `visibilityState` for `HTMLDocument` (#86 by @cwinebr)
 
 Other improvements:
 
diff --git a/src/Web/HTML/HTMLDocument.js b/src/Web/HTML/HTMLDocument.js
index 7641f37..2e01c63 100644
--- a/src/Web/HTML/HTMLDocument.js
+++ b/src/Web/HTML/HTMLDocument.js
@@ -15,7 +15,7 @@ export function _readyState(doc) {
 }
 
 export function _visibilityState(doc) {
-  return doc.readyState;
+  return doc.visibilityState;
 }
 
 export function _activeElement(doc) {