diff --git a/electrum/gui/kivy/uix/dialogs/installwizard.py b/electrum/gui/kivy/uix/dialogs/installwizard.py
index 230434c21..15d6ee33c 100644
--- a/electrum/gui/kivy/uix/dialogs/installwizard.py
+++ b/electrum/gui/kivy/uix/dialogs/installwizard.py
@@ -640,6 +640,8 @@ class WizardDialog(EventsDialog):
         return (None,)
 
     def on_release(self, button):
+        if self._on_release is True:
+            return
         self._on_release = True
         self.dismiss()
         if not button: