diff --git a/src/Security/Member.php b/src/Security/Member.php
index 6d9889989d6..f35f5789d8c 100644
--- a/src/Security/Member.php
+++ b/src/Security/Member.php
@@ -1705,6 +1705,16 @@ public function getHtmlEditorConfigForCMS()
         $currentName = '';
         $currentPriority = 0;
 
+        // If we don't have a custom config, no need to look in all groups
+        $editorConfigMap = HTMLEditorConfig::get_available_configs_map();
+        $editorConfigCount = count($editorConfigMap);
+        if ($editorConfigCount === 0) {
+            return 'cms';
+        }
+        if ($editorConfigCount === 1) {
+            return key($editorConfigMap);
+        }
+
         foreach ($this->Groups() as $group) {
             $configName = $group->HtmlEditorConfig;
             if ($configName) {