diff --git a/lib/_stream_writable.js b/lib/_stream_writable.js
index 6cf7390b841a33..8251e8e219a519 100644
--- a/lib/_stream_writable.js
+++ b/lib/_stream_writable.js
@@ -144,6 +144,8 @@ 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;
     }
diff --git a/test/parallel/test-stream-inheritance.js b/test/parallel/test-stream-inheritance.js
index 2c6daed0385d4a..aefb39af512646 100644
--- a/test/parallel/test-stream-inheritance.js
+++ b/test/parallel/test-stream-inheritance.js
@@ -49,3 +49,8 @@ Object.setPrototypeOf(CustomWritable.prototype, Writable.prototype);
 new CustomWritable();
 
 assert.throws(CustomWritable, /AssertionError: undefined does not inherit from CustomWritable/);
+
+class OtherCustomWritable extends Writable {}
+
+assert(!(new OtherCustomWritable() instanceof CustomWritable));
+assert(!(new CustomWritable() instanceof OtherCustomWritable));