diff --git a/core/misc/states.js b/core/misc/states.js
index 218b89268884845728161ab769ec77e5e8743fb9..ce4787dee445c12774d2af500e12b8974f64cab5 100644
--- a/core/misc/states.js
+++ b/core/misc/states.js
@@ -304,7 +304,7 @@
      */
     verifyConstraints(constraints, selector) {
       let result;
-      if ($.isArray(constraints)) {
+      if (Array.isArray(constraints)) {
         // This constraint is an array (OR or XOR).
         const hasXor = $.inArray('xor', constraints) === -1;
         const len = constraints.length;