diff --git a/openlp/plugins/bibles/forms/bibleupgradeform.py b/openlp/plugins/bibles/forms/bibleupgradeform.py
index d78124c6c..b5bc6ed3d 100644
--- a/openlp/plugins/bibles/forms/bibleupgradeform.py
+++ b/openlp/plugins/bibles/forms/bibleupgradeform.py
@@ -496,6 +496,9 @@ class BibleUpgradeForm(OpenLPWizard):
             # Close the previous bible's connection.
             if oldBible is not None:
                 oldBible.close_connection()
+                # Set to None to make obvious that we have already closed the
+                # database.
+                oldBible = None
             if self.stop_import_flag:
                 self.success[number] = False
                 break