diff --git a/types/core-js/core-js-tests.ts b/types/core-js/core-js-tests.ts
index 476c97348f..2410816c98 100644
--- a/types/core-js/core-js-tests.ts
+++ b/types/core-js/core-js-tests.ts
@@ -115,7 +115,7 @@ b = Number.isSafeInteger(i);
 i = Number.MAX_SAFE_INTEGER;
 i = Number.MIN_SAFE_INTEGER;
 i = Number.parseFloat(s);
-i = Number.parseInt(s);
+i = Number.parseInt(s); // tslint:disable-line radix
 i = Number.parseInt(s, i);
 i = Math.clz32(i);
 i = Math.imul(i, i);