diff --git a/gui/qt/installwizard.py b/gui/qt/installwizard.py
index e751233e..c4be82c9 100644
--- a/gui/qt/installwizard.py
+++ b/gui/qt/installwizard.py
@@ -64,11 +64,11 @@ class CosignWidget(QWidget):
 
 
 # WindowModalDialog must come first as it overrides show_error
-class InstallWizard(WindowModalDialog, WizardBase):
+class InstallWizard(QDialog, MessageBoxMixin, WizardBase):
 
     def __init__(self, config, app, plugins):
-        title = 'Electrum  -  ' + _('Install Wizard')
-        WindowModalDialog.__init__(self, None, title=title)
+        QDialog.__init__(self, None)
+        self.setWindowTitle('Electrum  -  ' + _('Install Wizard'))
         self.app = app
         self.config = config
         # Set for base base class
diff --git a/lib/plugins.py b/lib/plugins.py
index b528668a..9d806b52 100644
--- a/lib/plugins.py
+++ b/lib/plugins.py
@@ -358,6 +358,9 @@ class DeviceMgr(PrintError):
 
         client = self.client_lookup(wallet_id)
         if client:
+            # An unpaired client might have another wallet's handler
+            # from a prior scan.  Replace to fix dialog parenting.
+            client.handler = wallet.handler
             return client
 
         for device in devices:
@@ -374,8 +377,7 @@ class DeviceMgr(PrintError):
             if info:
                 client = self.client_lookup(info.device.id_)
                 if client and not client.features.bootloader_mode:
-                    # An unpaired client might have another wallet's handler
-                    # from a prior scan.  Replace to fix dialog parenting.
+                    # See comment above for same code
                     client.handler = wallet.handler
                     # This will trigger a PIN/passphrase entry request
                     client_first_address = client.first_address(derivation)