diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/_stream_writable.js | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/_stream_writable.js b/lib/_stream_writable.js index 6e0eaf45b5..7de77958d5 100644 --- a/lib/_stream_writable.js +++ b/lib/_stream_writable.js @@ -179,6 +179,8 @@ if (typeof Symbol === 'function' && Symbol.hasInstance) { value: function(object) { if (realHasInstance.call(this, object)) return true; + if (this !== Writable) + return false; return object && object._writableState instanceof WritableState; } |