diff --git a/lib/cli/options.js b/lib/cli/options.js
index 9768206bcc..ed350ce82f 100644
--- a/lib/cli/options.js
+++ b/lib/cli/options.js
@@ -143,9 +143,7 @@ const parse = (args = [], defaultValues = {}, ...configObjects) => {
     let flag = pair[0];
     if (isNodeFlag(flag, false)) {
       flag = flag.replace(/^--?/, '');
-      return arg.includes('=')
-        ? acc.concat([[flag, pair[1]]])
-        : acc.concat([[flag, true]]);
+      return acc.concat([[flag, arg.includes('=') ? pair[1] : true]]);
     }
     return acc;
   }, []);