diff --git a/src/keepass2android/settings/AppSettingsActivity.cs b/src/keepass2android/settings/AppSettingsActivity.cs
index c99916fc..09f5c0aa 100644
--- a/src/keepass2android/settings/AppSettingsActivity.cs
+++ b/src/keepass2android/settings/AppSettingsActivity.cs
@@ -243,7 +243,7 @@ namespace keepass2android
 				{
 				}
 				);
-
+				builder.SetCancelable(false);
 				Dialog dialog = builder.Create();
 				dialog.Show();