diff --git a/gui/qt/installwizard.py b/gui/qt/installwizard.py
index b0180ca5..247e07a3 100644
--- a/gui/qt/installwizard.py
+++ b/gui/qt/installwizard.py
@@ -322,7 +322,7 @@ class InstallWizard(QDialog):
                 elif Wallet.is_mpk(text):
                     wallet = Wallet.from_mpk(text, self.storage)
                 else:
-                    return
+                    raise
 
             elif t in ['2of2', '2of3']:
                 r = self.double_seed_dialog()
@@ -347,6 +347,9 @@ class InstallWizard(QDialog):
 
                 wallet.create_accounts(None)
 
+            else:
+                raise
+
 
 
 
diff --git a/lib/bitcoin.py b/lib/bitcoin.py
index e3274cc6..e30c8381 100644
--- a/lib/bitcoin.py
+++ b/lib/bitcoin.py
@@ -84,7 +84,7 @@ def is_old_seed(seed):
 
     try:
         seed.decode('hex')
-        is_hex = True
+        is_hex = (len(seed) == 32)
     except Exception:
         is_hex = False
          
diff --git a/lib/wallet.py b/lib/wallet.py
index 9d7fff59..190b2d79 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -1751,6 +1751,7 @@ class OldWallet(NewWallet):
     def create_watching_only_wallet(self, mpk):
         self.seed_version = OLD_SEED_VERSION
         self.storage.put('seed_version', self.seed_version, True)
+        self.storage.put('master_public_key', mpk, True)
         self.create_account(mpk)
 
     def get_seed(self, password):