diff --git a/lib/core/src/server/preview/entries.js b/lib/core/src/server/preview/entries.js
index 5e2339b6993..872128131b7 100644
--- a/lib/core/src/server/preview/entries.js
+++ b/lib/core/src/server/preview/entries.js
@@ -22,17 +22,20 @@ export async function createPreviewEntry(options) {
     entries.push(path.resolve(path.join(configDir, `generated-stories-entry.js`)));
   }
 
+  const isGenerated = /generated-config-entry/;
+  const isGeneratedConfig = /(?:preview|config)\..+-generated-config-entry/;
+
+  console.log({ entries });
+
   return entries.sort((a, b) => {
     // we want this order to order generated entries so the ones that call configure appear LAST
     // whilst keeping the order of non-generated entries in the order they appear
 
     switch (true) {
-      case !!a.match(/(preview|config).js-generated-config-entry/) &&
-        !!b.match(/generated-config-entry/): {
+      case !!a.match(isGeneratedConfig) && !!b.match(isGenerated): {
         return 1;
       }
-      case !!b.match(/(preview|config).js-generated-config-entry/) &&
-        !!a.match(/generated-config-entry/): {
+      case !!b.match(isGeneratedConfig) && !!a.match(isGenerated): {
         return -1;
       }
       default: {