diff --git a/scripts/dev.js b/scripts/dev.js
index 908564f41..19feb422d 100644
--- a/scripts/dev.js
+++ b/scripts/dev.js
@@ -92,7 +92,7 @@ const plugins = [
   }
 ]
 
-if (format !== 'cjs' || pkg.buildOptions?.enableNonBrowserBranches) {
+if (format !== 'cjs' && pkg.buildOptions?.enableNonBrowserBranches) {
   plugins.push(polyfillNode())
 }