diff --git a/ucoin/network/__init__.py b/ucoin/network/__init__.py
index a6ba2783413b941f2ebe04ea5fe379ab25265d79..7c3aedf720d0fa4e936688c165273ae1ac4d63e5 100644
--- a/ucoin/network/__init__.py
+++ b/ucoin/network/__init__.py
@@ -61,7 +61,7 @@ class Wallet(Network):
             return self.merkle_easy_parser('/wallet')
 
         return self.merkle_easy_parser('/wallet/%s'
-                                       % self.pgp_fingerprint).json()
+                                       % self.pgp_fingerprint)
 
     def __post__(self, **kwargs):
         assert 'entry' in kwargs