diff --git a/packages/core-js/internals/check-correctness-of-iteration.js b/packages/core-js/internals/check-correctness-of-iteration.js
index f0b26134e8d9..ee9f0922abb1 100644
--- a/packages/core-js/internals/check-correctness-of-iteration.js
+++ b/packages/core-js/internals/check-correctness-of-iteration.js
@@ -22,7 +22,9 @@ try {
 } catch (error) { /* empty */ }
 
 module.exports = function (exec, SKIP_CLOSING) {
-  if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
+  try {
+    if (!SKIP_CLOSING && !SAFE_CLOSING) return false;
+  } catch (error) { return false; } // workaround of old WebKit + `eval` bug
   var ITERATION_SUPPORT = false;
   try {
     var object = {};