diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-bigint-prototype.inc.h b/jerry-core/ecma/builtin-objects/ecma-builtin-bigint-prototype.inc.h
index 8496198af..dd253bb3b 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-bigint-prototype.inc.h
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-bigint-prototype.inc.h
@@ -37,7 +37,7 @@ STRING_VALUE (LIT_GLOBAL_SYMBOL_TO_STRING_TAG,
 /* Routine properties:
  *  (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
 ROUTINE (LIT_MAGIC_STRING_VALUE_OF_UL, ecma_builtin_bigint_prototype_object_value_of, 0, 0)
-ROUTINE (LIT_MAGIC_STRING_TO_STRING_UL, ecma_builtin_bigint_prototype_object_to_string, NON_FIXED, 1)
+ROUTINE (LIT_MAGIC_STRING_TO_STRING_UL, ecma_builtin_bigint_prototype_object_to_string, NON_FIXED, 0)
 
 #endif /* ENABLED (JERRY_BUILTIN_BIGINT) */
 
diff --git a/tests/test262-esnext-excludelist.xml b/tests/test262-esnext-excludelist.xml
index 159343f2c..8572bdc27 100644
--- a/tests/test262-esnext-excludelist.xml
+++ b/tests/test262-esnext-excludelist.xml
@@ -616,7 +616,6 @@
   <test id="built-ins/BigInt/asUintN/order-of-steps.js"><reason></reason></test>
   <test id="built-ins/BigInt/constructor-empty-string.js"><reason></reason></test>
   <test id="built-ins/BigInt/constructor-trailing-leading-spaces.js"><reason></reason></test>
-  <test id="built-ins/BigInt/prototype/toString/length.js"><reason></reason></test>
   <test id="built-ins/BigInt/prototype/valueOf/cross-realm.js"><reason></reason></test>
   <test id="built-ins/Boolean/proto-from-ctor-realm.js"><reason></reason></test>
   <test id="built-ins/DataView/buffer-does-not-have-arraybuffer-data-throws-sab.js"><reason></reason></test>