diff --git a/projects/plugins/jetpack/changelog/fix-tiled-gallery-crash b/projects/plugins/jetpack/changelog/fix-tiled-gallery-crash
new file mode 100644
index 000000000000..d96772ef47c6
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/fix-tiled-gallery-crash
@@ -0,0 +1,4 @@
+Significance: patch
+Type: bugfix
+
+Tiled Gallery: prevent editor crash when transforming a core gallery block.
diff --git a/projects/plugins/jetpack/extensions/blocks/tiled-gallery/editor.js b/projects/plugins/jetpack/extensions/blocks/tiled-gallery/editor.js
index f05ed8021509..4bc8a8d6a662 100644
--- a/projects/plugins/jetpack/extensions/blocks/tiled-gallery/editor.js
+++ b/projects/plugins/jetpack/extensions/blocks/tiled-gallery/editor.js
@@ -69,7 +69,7 @@ const exampleAttributes = {
  * @param {Array} images - Array of image objects
  * @return {Array} Array of image objects which have id and url
  */
-function getValidImages( images ) {
+function getValidImages( images = [] ) {
 	return images.filter( ( { id, url } ) => id && url );
 }
 registerJetpackBlockFromMetadata( metadata, {
@@ -98,7 +98,17 @@ registerJetpackBlockFromMetadata( metadata, {
 			{
 				type: 'block',
 				blocks: [ 'core/gallery', 'jetpack/slideshow' ],
-				transform: ( { images } ) => {
+				transform: ( { images = [] }, innerBlocks ) => {
+					if ( ! images.length && innerBlocks?.length ) {
+						images = innerBlocks
+							.filter( b => b.name === 'core/image' && b.attributes?.url )
+							.map( ( { attributes } ) => ( {
+								id: attributes.id,
+								url: attributes.url,
+								link: attributes.href,
+								alt: attributes.alt,
+							} ) );
+					}
 					const validImages = getValidImages( images );
 					if ( validImages.length > 0 ) {
 						return createBlock( metadata.name, {