diff --git a/packages/popper/src/utils/getBoundaries.js b/packages/popper/src/utils/getBoundaries.js
index 454bc0b433..ae6583a042 100644
--- a/packages/popper/src/utils/getBoundaries.js
+++ b/packages/popper/src/utils/getBoundaries.js
@@ -57,7 +57,7 @@ export default function getBoundaries(
 
     // In case of HTML, we need a different computation
     if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
-      const { height, width } = getWindowSizes();
+      const { height, width } = getWindowSizes(popper.ownerDocument);
       boundaries.top += offsets.top - offsets.marginTop;
       boundaries.bottom = height + offsets.top;
       boundaries.left += offsets.left - offsets.marginLeft;
diff --git a/packages/popper/src/utils/getBoundingClientRect.js b/packages/popper/src/utils/getBoundingClientRect.js
index 8109001296..7fa97f4588 100644
--- a/packages/popper/src/utils/getBoundingClientRect.js
+++ b/packages/popper/src/utils/getBoundingClientRect.js
@@ -42,7 +42,7 @@ export default function getBoundingClientRect(element) {
   };
 
   // subtract scrollbar size from sizes
-  const sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};
+  const sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : {};
   const width =
     sizes.width || element.clientWidth || result.right - result.left;
   const height =
diff --git a/packages/popper/src/utils/getOffsetRect.js b/packages/popper/src/utils/getOffsetRect.js
index b08548c5c7..c14051b515 100644
--- a/packages/popper/src/utils/getOffsetRect.js
+++ b/packages/popper/src/utils/getOffsetRect.js
@@ -11,7 +11,7 @@ import getClientRect from './getClientRect';
 export default function getOffsetRect(element) {
   let elementRect;
   if (element.nodeName === 'HTML') {
-    const { width, height } = getWindowSizes();
+    const { width, height } = getWindowSizes(element.ownerDocument);
     elementRect = {
       width,
       height,
diff --git a/packages/popper/src/utils/getWindowSizes.js b/packages/popper/src/utils/getWindowSizes.js
index c0bd51baed..a81f106154 100644
--- a/packages/popper/src/utils/getWindowSizes.js
+++ b/packages/popper/src/utils/getWindowSizes.js
@@ -15,7 +15,7 @@ function getSize(axis, body, html, computedStyle) {
   );
 }
 
-export default function getWindowSizes() {
+export default function getWindowSizes(document) {
   const body = document.body;
   const html = document.documentElement;
   const computedStyle = isIE(10) && getComputedStyle(html);