diff --git a/neo/Implementations/Wallets/peewee/UserWallet.py b/neo/Implementations/Wallets/peewee/UserWallet.py
index 0120176cf..f92be6483 100644
--- a/neo/Implementations/Wallets/peewee/UserWallet.py
+++ b/neo/Implementations/Wallets/peewee/UserWallet.py
@@ -43,6 +43,7 @@ def __init__(self, path, passwordKey, create):
         self.__log.debug("initialized user wallet!! %s " % self)
 
     def BuildDatabase(self):
+        PWDatabase.Destroy()
         PWDatabase.Initialize(self._path)
         db = PWDatabase.ContextDB()
         try: