1 files changed, 2 insertions, 2 deletions
diff --git a/text.py b/text.py
index fc9d7bfa1..c9821997b 100644
--- a/text.py
+++ b/text.py
@@ -399,8 +399,8 @@ class InstallInterface:
     def detailedMessageWindow(self, title, text, longText=None, type="ok",
                               default=None, custom_icon=None,
                               custom_buttons=[]):
-        return messageWindow(title, text, type, default, custom_icon,
-                             custom_buttons)
+        return self.messageWindow(title, text, type, default, custom_icon,
+                                  custom_buttons)
 
     def entryWindow(self, title, text, prompt, entrylength = None):
         (res, value) = EntryWindow(self.screen, title, text, [prompt])