diff --git a/ds2/orderedmapping/bstmapping.py b/ds2/orderedmapping/bstmapping.py
index 3e213c1..27e19af 100644
--- a/ds2/orderedmapping/bstmapping.py
+++ b/ds2/orderedmapping/bstmapping.py
@@ -11,7 +11,7 @@ def get(self, key):
 
     def put(self, key, value):
         if self._root:
-            self.root = self._root.put(key, value)
+            self._root.put(key, value)
         else:
             self._root = BSTNode(key, value)
 
diff --git a/ds2/test/testlinkedqueue.py b/ds2/test/testlinkedqueue.py
index f54527b..d6f1be3 100644
--- a/ds2/test/testlinkedqueue.py
+++ b/ds2/test/testlinkedqueue.py
@@ -3,7 +3,7 @@
 from ds2.test.testqueue import QueueTests
 from ds2.queue import LinkedQueue
 
-class TestListQueue(unittest.TestCase, QueueTests):
+class TestLinkedQueue(unittest.TestCase, QueueTests):
     Queue = LinkedQueue
 
 if __name__ == '__main__':
diff --git a/prose/14_bsts.md b/prose/14_bsts.md
index 87d6afd..508d58b 100644
--- a/prose/14_bsts.md
+++ b/prose/14_bsts.md
@@ -77,7 +77,7 @@ class BSTMapping(Mapping):
 
     def put(self, key, value):
         if self._root:
-            self.root = self._root.put(key, value)
+            self._root.put(key, value)
         else:
             self._root = BSTNode(key, value)