diff --git a/packages/blocks/src/api/raw-handling/phrasing-content-reducer.js b/packages/blocks/src/api/raw-handling/phrasing-content-reducer.js
index 5c5ef223298fe6..4f3c3a2a810a99 100644
--- a/packages/blocks/src/api/raw-handling/phrasing-content-reducer.js
+++ b/packages/blocks/src/api/raw-handling/phrasing-content-reducer.js
@@ -1,3 +1,8 @@
+/**
+ * External dependencies
+ */
+import { includes } from 'lodash';
+
/**
* WordPress dependencies
*/
@@ -11,6 +16,7 @@ export default function( node, doc ) {
fontWeight,
fontStyle,
textDecorationLine,
+ textDecoration,
verticalAlign,
} = node.style;
@@ -22,7 +28,10 @@ export default function( node, doc ) {
wrap( doc.createElement( 'em' ), node );
}
- if ( textDecorationLine === 'line-through' ) {
+ // Some DOM implementations (Safari, JSDom) don't support
+ // style.textDecorationLine, so we check style.textDecoration as a
+ // fallback.
+ if ( textDecorationLine === 'line-through' || includes( textDecoration, 'line-through' ) ) {
wrap( doc.createElement( 's' ), node );
}
diff --git a/test/integration/fixtures/google-docs-out.html b/test/integration/fixtures/google-docs-out.html
index 576b2cd7fda73f..54a1e07ac1349a 100644
--- a/test/integration/fixtures/google-docs-out.html
+++ b/test/integration/fixtures/google-docs-out.html
@@ -7,7 +7,7 @@ This is a heading
-Formatting test: bold, italic, link, strikethrough, superscript, subscript, nested.
+Formatting test: bold, italic, link, strikethrough, superscript, subscript, nested.
diff --git a/test/integration/fixtures/google-docs-with-comments-out.html b/test/integration/fixtures/google-docs-with-comments-out.html
index 576b2cd7fda73f..54a1e07ac1349a 100644
--- a/test/integration/fixtures/google-docs-with-comments-out.html
+++ b/test/integration/fixtures/google-docs-with-comments-out.html
@@ -7,7 +7,7 @@ This is a heading
-Formatting test: bold, italic, link, strikethrough, superscript, subscript, nested.
+Formatting test: bold, italic, link, strikethrough, superscript, subscript, nested.