diff --git a/packages/block-editor/src/hooks/margin.js b/packages/block-editor/src/hooks/margin.js
index bdf5cabea6a9df..8f723b3f8c97de 100644
--- a/packages/block-editor/src/hooks/margin.js
+++ b/packages/block-editor/src/hooks/margin.js
@@ -23,7 +23,10 @@ export function MarginVisualizer( { clientId, attributes, forceShow } ) {
 	const margin = attributes?.style?.spacing?.margin;
 
 	useEffect( () => {
-		if ( ! blockElement ) {
+		if (
+			! blockElement ||
+			null === blockElement.ownerDocument.defaultView
+		) {
 			return;
 		}
 
diff --git a/packages/block-editor/src/hooks/padding.js b/packages/block-editor/src/hooks/padding.js
index f451f2cb4262ea..b6e4e50e30f9cf 100644
--- a/packages/block-editor/src/hooks/padding.js
+++ b/packages/block-editor/src/hooks/padding.js
@@ -23,7 +23,10 @@ export function PaddingVisualizer( { clientId, attributes, forceShow } ) {
 	const padding = attributes?.style?.spacing?.padding;
 
 	useEffect( () => {
-		if ( ! blockElement ) {
+		if (
+			! blockElement ||
+			null === blockElement.ownerDocument.defaultView
+		) {
 			return;
 		}