diff --git a/projects/plugins/jetpack/changelog/update-post-images b/projects/plugins/jetpack/changelog/update-post-images
new file mode 100644
index 0000000000000..a7d05e6e04088
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/update-post-images
@@ -0,0 +1,4 @@
+Significance: patch
+Type: other
+
+Jetpack_PostImages::from_attachment: Prevent warning when $thumb_post_data cannot be found
diff --git a/projects/plugins/jetpack/class.jetpack-post-images.php b/projects/plugins/jetpack/class.jetpack-post-images.php
index fad3418323fd9..239344a9df22c 100644
--- a/projects/plugins/jetpack/class.jetpack-post-images.php
+++ b/projects/plugins/jetpack/class.jetpack-post-images.php
@@ -339,7 +339,7 @@ public static function from_thumbnail( $post_id, $width = 200, $height = 200 ) {
 				// If wp_get_attachment_image_src returns false but we know that there should be an image that could be used.
 				// we try a bit harder and user the data that we have.
 				$thumb_post_data = get_post( $thumb );
-				$img_src         = array( $thumb_post_data->guid, $meta['width'], $meta['height'] );
+				$img_src         = array( $thumb_post_data->guid ?? null, $meta['width'], $meta['height'] );
 			}
 
 			// Let's try to use the postmeta if we can, since it seems to be