diff --git a/openpgp/gtk/key.py b/openpgp/gtk/key.py
index cad04a9..dbee3f9 100644
--- a/openpgp/gtk/key.py
+++ b/openpgp/gtk/key.py
@@ -122,14 +122,13 @@ class KeyRow(Gtk.ListBoxRow):
             self.destroy()
 
         ConfirmationDialog(
-            _('Delete'),
-            _('Delete Public Key'),
+            _('Delete Public Key?'),
             _('This will permanently delete this public key'),
             [DialogButton.make('Cancel'),
              DialogButton.make('Remove',
                                text=_('Delete'),
                                callback=_remove)],
-            transient_for=self.get_toplevel()).show()
+        ).show()
 
     def set_trust(self, trust):
         icon_name, tooltip, css_class = TRUST_DATA[trust]
diff --git a/openpgp/pgpplugin.py b/openpgp/pgpplugin.py
index 750ea73..ceb0198 100644
--- a/openpgp/pgpplugin.py
+++ b/openpgp/pgpplugin.py
@@ -27,7 +27,7 @@ from gajim.common import ged
 from gajim.common import configpaths
 from gajim.common.const import CSSPriority
 
-from gajim.gtk.dialogs import ErrorDialog
+from gajim.gtk.dialogs import SimpleDialog
 
 from gajim.plugins import GajimPlugin
 from gajim.plugins.plugins_i18n import _
@@ -169,7 +169,7 @@ class OpenPGPPlugin(GajimPlugin):
 
         keys = client.get_module('OpenPGP').get_keys(jid)
         if not keys:
-            ErrorDialog(
+            SimpleDialog(
                 _('Not Trusted'),
                 _('There was no trusted and active key found'))
             chat_control.sendmessage = False