diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-array.inc.h b/jerry-core/ecma/builtin-objects/ecma-builtin-array.inc.h
index 0dd58f597..661bfa049 100644
--- a/jerry-core/ecma/builtin-objects/ecma-builtin-array.inc.h
+++ b/jerry-core/ecma/builtin-objects/ecma-builtin-array.inc.h
@@ -46,6 +46,16 @@ OBJECT_VALUE (LIT_MAGIC_STRING_PROTOTYPE,
               ECMA_PROPERTY_NOT_ENUMERABLE,
               ECMA_PROPERTY_NOT_CONFIGURABLE)
 
+/* Number properties:
+ *  (property name, object pointer getter) */
+
+// 15.4.3
+NUMBER_VALUE (LIT_MAGIC_STRING_LENGTH,
+              1,
+              ECMA_PROPERTY_NOT_WRITABLE,
+              ECMA_PROPERTY_NOT_ENUMERABLE,
+              ECMA_PROPERTY_NOT_CONFIGURABLE)
+
 /* Routine properties:
  *  (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
 ROUTINE (LIT_MAGIC_STRING_IS_ARRAY_UL, ecma_builtin_array_object_is_array, 1, 1)