diff --git a/frontends/src/primitivus/primitivus b/frontends/src/primitivus/primitivus
index d5590332..338442d1 100755
--- a/frontends/src/primitivus/primitivus
+++ b/frontends/src/primitivus/primitivus
@@ -596,11 +596,11 @@ class PrimitivusApp(QuickApp, InputHistory):
 
     def showDialog(self, message, title="", type_="info", answer_cb = None, answer_data = None):
         if type_ == 'info':
-            popup = sat_widgets.alert(title, message, ok_cb=answer_cb)
+            popup = sat_widgets.Alert(title, message, ok_cb=answer_cb)
             if answer_cb is None:
                 popup.setCallback('ok', lambda dummy: self.removePopUp(popup))
         elif type_ == 'error':
-            popup = sat_widgets.alert(title, message, ok_cb=answer_cb)
+            popup = sat_widgets.Alert(title, message, ok_cb=answer_cb)
             if answer_cb is None:
                 popup.setCallback('ok', lambda dummy: self.removePopUp(popup))
         elif type_ == 'yes/no':
@@ -608,7 +608,7 @@ class PrimitivusApp(QuickApp, InputHistory):
             popup.setCallback('yes', self._dialogOkCb, (popup, answer_cb, answer_data))
             popup.setCallback('no', self._dialogCancelCb, (popup, answer_cb, answer_data))
         else:
-            popup = sat_widgets.alert(title, message, ok_cb=answer_cb)
+            popup = sat_widgets.Alert(title, message, ok_cb=answer_cb)
             if answer_cb is None:
                 popup.setCallback('ok', lambda dummy: self.removePopUp(popup))
             log.error(u'unmanaged dialog type: {}'.format(type_))