diff --git a/packages/block-library/src/categories/edit.js b/packages/block-library/src/categories/edit.js
index ad1dea3ec55bf..aee240e7384e6 100644
--- a/packages/block-library/src/categories/edit.js
+++ b/packages/block-library/src/categories/edit.js
@@ -106,7 +106,8 @@ class CategoriesEdit extends Component {
 	}
 
 	renderCategoryDropdown() {
-		const { showHierarchy, instanceId } = this.props;
+		const { instanceId } = this.props;
+		const { showHierarchy } = this.props.attributes;
 		const parentId = showHierarchy ? 0 : null;
 		const categories = this.getCategories( parentId );
 		const selectId = `blocks-category-select-${ instanceId }`;