diff --git a/lib/utils/group-helper.js b/lib/utils/group-helper.js
index 30f4c01e909..2287f09806e 100644
--- a/lib/utils/group-helper.js
+++ b/lib/utils/group-helper.js
@@ -57,8 +57,7 @@ class GroupHelper {
     }
     mapArgToBoolean(name, optionName) {
         ifArg(name, function(bool) {
-            if (bool === true) options[optionName || name] = true;
-            else if (bool === false) options[optionName || name] = false;
+            options[optionName || name] = bool;
         });
     }