diff --git a/depedit/depedit.py b/depedit/depedit.py
index c8df24d..9c3d0b9 100644
--- a/depedit/depedit.py
+++ b/depedit/depedit.py
@@ -22,7 +22,7 @@
 import io
 from six import iteritems, iterkeys
 
-__version__ = "3.4.0.0"
+__version__ = "3.4.0.1"
 
 ALIASES = {"form":"text","upostag":"pos","xpostag":"cpos","feats":"morph","deprel":"func","deps":"head2","misc":"func2",
            "xpos": "cpos","upos":"pos"}
@@ -996,7 +996,7 @@ def execute_action(self, result_sets, action_list, transformation):
                                     new_vals_keys[this_key].add(this_val)
                                 if old_val != "_" and isinstance(old_val,str):  # Some values already exist
                                     kv = []
-                                    for ov in sorted(old_val.split("|")):
+                                    for ov in sorted(old_val.split("|")+new_vals):
                                         this_key, this_val = ov.split("=")
                                         if this_key not in new_vals_keys:  # Else this needs to be overwritten
                                             kv.append(ov)
diff --git a/setup.py b/setup.py
index d35805f..a4f300e 100644
--- a/setup.py
+++ b/setup.py
@@ -3,14 +3,14 @@
 setup(
   name = 'depedit',
   packages = ['depedit'],
-  version = '3.4.0.0',
+  version = '3.4.0.1',
   description = 'A simple configurable tool for manipulating dependency trees',
   author = 'Amir Zeldes',
   author_email = 'amir.zeldes@georgetown.edu',
   url = 'https://github.com/amir-zeldes/depedit',
   install_requires=["six"],
   license='Apache License, Version 2.0',
-  download_url = 'https://github.com/amir-zeldes/depedit/releases/tag/3.4.0.0',
+  download_url = 'https://github.com/amir-zeldes/depedit/releases/tag/3.4.0.1',
   keywords = ['NLP', 'parsing', 'syntax', 'dependencies', 'dependency', 'tree', 'treebank', 'conll', 'conllu', 'ud', 'enhanced'],
   classifiers = ['Programming Language :: Python',
 'Programming Language :: Python :: 2',