diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1e8d5353ad..a653e52e5a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## [`master`](https://github.com/elastic/eui/tree/master)
 
-- Fixed issue with unselected tabs and aria-controls attribute in EuiTabbedContent
+**Bug fixes**
+
+- Fixed an issue in `EuiTooltip` because IE1 didn't support `document.contains()` ([#1190](https://github.com/elastic/eui/pull/1190))
 
 ## [`4.0.0`](https://github.com/elastic/eui/tree/v4.0.0)
 
diff --git a/src/components/tool_tip/tool_tip.js b/src/components/tool_tip/tool_tip.js
index 78183f23d22..79fadd97dbe 100644
--- a/src/components/tool_tip/tool_tip.js
+++ b/src/components/tool_tip/tool_tip.js
@@ -72,7 +72,7 @@ export class EuiToolTip extends Component {
     // when the tooltip is visible, this checks if the anchor is still part of document
     // this fixes when the react root is removed from the dom without unmounting
     // https://github.com/elastic/eui/issues/1105
-    if (document.contains(this.anchor) === false) {
+    if (document.body.contains(this.anchor) === false) {
       // the anchor is no longer part of `document`
       this.hideToolTip();
     } else {