diff --git a/lib/compat/wordpress-6.0/block-editor-settings.php b/lib/compat/wordpress-6.0/block-editor-settings.php
index 0871beee317e9d..2f120a0348bf47 100644
--- a/lib/compat/wordpress-6.0/block-editor-settings.php
+++ b/lib/compat/wordpress-6.0/block-editor-settings.php
@@ -111,7 +111,7 @@ function gutenberg_get_block_editor_settings( $settings ) {
 			}
 		}
 
-		if ( WP_Theme_JSON_Resolver_Gutenberg::theme_has_support() ) {
+		if ( WP_Theme_JSON_Resolver::theme_has_support() ) {
 			$block_classes = array(
 				'css'            => 'styles',
 				'__unstableType' => 'theme',