diff --git a/packages/block-library/src/group/editor.scss b/packages/block-library/src/group/editor.scss
index 3b1a88c8291e11..d8d37c15750226 100644
--- a/packages/block-library/src/group/editor.scss
+++ b/packages/block-library/src/group/editor.scss
@@ -56,7 +56,7 @@
 
 // Show an unselected empty group button as a dashed outline instead of the appender button.
 // This effectively adds a selectable-to-delete state.
-.is-layout-default.block-editor-block-list__block:not(.is-selected) {
+.is-layout-flow.block-editor-block-list__block:not(.is-selected) {
 	.block-list-appender:only-child {
 		pointer-events: none;